Mr. Smith is old anything. He has to ask others to look after him.A. too; not to do B. to

问题补充：

Mr. Smith is old anything. He has to ask others to look after him.

A. too; not to do B. too; to do C. so; not to do

答案：

解析：句意:史密斯先生太老了而不能做任何事情了。他不得不请其他的人照顾他。too…to太……而不能；根据He has to ask others to look after him可知故选B。