听下面一段独白，回答以下小题。
【小题1】Why are religious and private schools more expensive than public schools in U.S.?

A．Because they are well built.

B．Because they are big.

C．Because they receive little or no support from public taxes.

【小题2】Who are the religious schools run by in U.S.?

A．The government.

B．The churches.

C．The companies.

【小题3】Who can enjoy free education in U.S.?

A．Poor children.

B．Rich children.

C．All children.

【小题4】Why do some parents send their children to private schools?

A．Because the classes there are usually smaller.

B．Because the schools have strict rules.

C．Because children spend less money.