题目内容：
根据各有短文回答题。Charter SchoolsAmerican public education has changed in recent years. One change is that increasing numbers of American parents and teachers are starting independent public schools_______(1) charter schools 特许学校).In 1991, there were no charter schools in the United States. Today, more than 2,300 charter schools _______(2) in 34 states and the District of Columbia. 575,000 students _______(3) these schools The students are from 5 years of age through 18 or older.
A charter school is _______(4) by groups of parents, teachers and community (社区) members. It is similar in some ways _______(5) A traditional public school, it receives tax money to operate just as other public schools do. The _______(6) it receives depends on the number of students. The charter school must prove to local or state governments that its students are learning. These governments _______(7) the school with the agreement, or charter that permits it to operate
Unlike A traditional public school,_______(8), the charter school does not have to obey most laws governing public schools. Local, state or federal governments cannot tell it what to_______(9).
Each school can choose its own goals and decide the ways it wants to
_______(10) Those goals. Class sizes usually are smaller than in many traditional public schools. Many students and parents say _______(11) in charter schools can be more creative.
However, state education agencies, local education-governing committees and unions often _______(12) charter schools. They say these schools may receive money badly._______(13) By traditional public schools. Experts say some charter schools are doing well while others are struggling.
Congress provided 200 million dollars for _______(14) charter schools in the 2002 federal budget (预算); But, often the schools say they lack enough money for their _______(15). Many also lack needed space.请选择（1）处的最佳答案。 A．called
B．asked
C．known
D．said
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