– A report says an old man supports some poor children .

–Yes. We all feel 　   is kind 　 　 him to do so much for the children.

A．that; for

B．it; for

C．that; of

D．it; of

（）自救器是一种可以反复多次使用的自救器。

A、过滤式

B、化学氧

C、压缩氧

D、隔离式