—What’s wrong with you Ann?—My mother is ill. I have to her at home.A. look atB. look for

问题补充：

—What’s wrong with you, Ann?

—My mother is ill. I have to her at home.

A. look at

B. look for

C. look after

D. look around

答案：

A. look at

B. look for

(答案→)C. look after

D. look around

解析：根据题干，本句的意思是“我妈妈病了，我必须在家照顾她。”look at“看”，look for“寻找”，look after“照顾，照料”，look around“环顾”。所以本题选C。