题干

______ they live in the same house, we would no trouble finding them.
---But as traveling salesmen as well as seasonal herdsmen and farmhands, as you know, they move house _______ many of the Americans who live on wheels.

A:As far as; as often a

B:As well as; as well a

C:As long as;;as often as    

D:As long as ; as far a

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答案(点此获取答案解析)

C