问题：
It is_____the pupils do in their spare time_____ really______ them to take their place in society as citizens when they grow up.
A．what; that; prepare
B．that; what; prepares
C．what; that; prepares
D．that; what; prepare
It is_____the pupils do in their spare time_____ really______ them to take their place in society as citizens when they grow up.
| A．what; that; prepare | B．that; what; prepares |
| C．what; that; prepares | D．that; what; prepare |
参考答案：