单选题：Questions are based on the following passage.Most people re

Questions are based on the following passage.
Most people recognize the many benefits of learning a foreign language: you can travel to foreign'countries and feel eomfortable, be a more productive and enticing employee in today's competitive job market, and immerse yourself in the vast cultures that surround you．Seientific studies have even shown that learning a new language helps to keep memories sharp and naturally enhances overall brain function．But did you know that you can learn a new language in as little as 10 days? The Pimsleur Approach to learning new languages helps users pick up new languages quickly．Even the FBI and National Security Agency have purchased the Pimsleur Approach.
Dr．Pimsleur, a Ph．D．and specialist in the field of applied linguistics, devoted his life and career to learning languages and understanding the psychology of language acquisition．He recognized through extensive research that effective communication in any language depends on mastery of a relatively limited number of words．And, trying to learn too many words at first can actually slow the language retention process However, once this "core vocabulary" is mastered and used consistently, it provides a framework for accelerated language learning．The Pimsleur Approach aims each lesson at teaching you to use the eore vocabulary of the language, so you can speak the most in the least amount of time．It's not how many words you know, but rather, which words you can use．Each Pimsleur Approaeh lesson has been scientifically sequenced to rapidly lock language material into your brain after just one listen．Just sit back and listen while the audio does the work for you．
The entire Pimsleur Approach is what language learning should be: quick, fun and easy, You'll absorb your new language effortlessly without any reading, writing or computer use．The Pimsleur Approach has a 100 percent guarantee: speak in 10 days or you don't pay.
As a language educator for more than 20 years, Dr．Pimsleur has noticed that children have an amazing ability to learn new languages quickly．He spent his life developing this course to let you, as an adult, learn a new language as easily as a child would．You might not realize it, but you've already learned one language using the Pimsleur Approach, your first language.
The programs normally cost $ 19.95．Currently, new customers are offered a special offer of half off thelanguage of your choice including free shipping．Better yet, the company is also offering a full 30-day moneyback guarantee．( So, if you find you are not learning as fast as you want, simply return it for a full refund．)
According to the passage, which of the following is NOT a benefit of learning a foreign language? A．Communicating well when travelling to foreign countries.
B．Doing a better job in a company.
C．Learning more about foreign cultures.
D．Teaching a child better in the family.