______children whose parents had died in Wenchuan earthquake _____sent to live with families in other cities.

A．A great number of; was

B．A great number of ; were

C．The great number of; was

D．The great number of; were

否认世界具有统一性的哲学是( )。

A．唯心主义

B．不可知论

C．二元论

D．经验主义