题目内容：
( )3. What does a fine future behind them (line 3 of paragraph 3) means? .A. Some people will certainly have a promising future though they are not very competent in their present work.
B. Some people don’t have any potential for their work though they are employed.
C. Some people can have a bright future though they can’t do their work well.
D. Some people have potential when they are employed, but never realize that potential.
参考答案：