—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
网友回答
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。