从下面方框中选出与下列各句中画线部分意思相同或相近，并能替换画线部分的选项。
A. at home B around C. is good at D. look alter
【小题1】My mother usually goes to work at about 7:30 in the morning,
【小题2】John is a clever boy. He does well in all the subjects,
【小题3】Dave' s father was ill two days ago, so he had to take care of him at home.
【小题4】Last night, Tom was not in. He went to a movie with his friends.B
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(答案→)B
解析：
【小题1】表示“大约”。
【小题2】在……方面做得好，学得好
【小题3】照顾，照料
【小题4】在家。