The landlord pretended _____ mercy _____ the poor boy when people came to take care of him.

The landlord pretended _____ mercy _____ the poor boy when people came to take care of him.

A.to have; upon

B.show; on

C.to have; to

D.showing; to

答案及解析： A

解析：

have mercy on/upon为固定搭配。