When ________ for his views about his teaching job, Philip said he found it very interesting and rewarding.

A．asking

B．having asked

C．asked

D．to be asked

氰化物中毒可采用（）

A.阿托品

B.亚甲兰

C.亚硝酸钠

D.巯基络合剂

E.氯磷