It was funny that when _______ Mary began to weep sadly.

A．praising

B．praised

C．to praise

D．having praised

税收管理员在加强税源管理、实施纳税评估时，要将（）工作相结合。

A.案头分析

B.下户实地调查

C.催报催缴

D.违章处罚