These newly-produced cars are sold at so low a price people expected.
A. like
B. as
C. that
D. which
网友回答
A. like
(答案→)B. as
C. that
D. which
解析：该题意为“这些新生产的汽车以人们期望的低价销售”。先行词被so 修饰，故定语从句的关系代词用as。类似搭配还有：the same ... as ..., so ...as ...，such ...as ... 。