问题
______ 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 as
B:As well as; as well as
C:As long as;;as often as
D:As long as ; as far as
B:As well as; as well as
C:As long as;;as often as
D:As long as ; as far as
正确答案是：
