a variety of 与 a lot of

题目

a variety of 与 a lot of
there is _________furniture in that old-fashioned house,whch was built in the 17th century.
A.a variety of B.a lot of
为什么A不对,B当然是可以

答案

要说可以两个都是可以的,
要说对两个都不对,因为选项都代表着复数,而家具用的是单数