问题 选择题
   it has turned out, there was no need to worry about their safety.
A.WhileB.As if
C.Now that D.As
答案

D

考查状语从句。句意: 结果证明没必要担心他们的安全。as表示“正如; 正像”, 引导状语从句。

选择题
单项选择题