is expected according to the online survey is that housing prices can’t go up any more.A

问题补充：

is expected, according to the online survey, is that housing prices can’t go up any more.

A. Which

B. What

C. It

D. As

答案：

A. Which

(答案→)B. What

C. It

D. As

解析：考查由what引导的名词性从句做主语。句意：根据网上调查，我们所预测的就是房价不会再上涨了。所以选B。