--- It is selfless _____ the doctor to devote all the time he had     for the patients.

--- I think so, they are so great.

A．for; to care

B．of; to care

C．for; to caring

D．of; to caring

税源调查方案是经济税源调查过程中的（）文件。

A、指令性

B、指导性

C、计划性

D、政策性