问题补充：
Who is taking care of your father? I heard he is in hospital now.
A. looking like
B. taking part in
C. looking up
D. looking after
答案：
A. looking like
B. taking part in
C. looking up
(答案→)D. looking after
解析：句意:谁在照顾你的父亲？我听说他现在在医院。句中的短语take care of 的意思是照顾。look like看起来像…；take part in 参加；look up 查字典；look after 照顾。根据句意可知选D。
