Output is now six times _____ it was before liberation.(A) that (_英语解答

Output is now six times _____ it was before liberation.
(A) that (B) which (C) what (D) of which
并请说明依据,

人气：287 ℃　时间：2019-11-17 19:16:17

解答

首先排除BD 因为这句话不是定语从句然后看从句缺少表语既能引导从句又能在从句中做成分的只能是C