She understood what I was talking about, it was the first time we had spoken together.
A. whether
B. as if
C. even if
D. Since
网友回答
A. whether
B. as if
(答案→)C. even if
D. Since
解析：此处 whether不管，是否；as if 好像；even if 即使；尽管；Since既然。句意：她理解我所谈论的内容，尽管我们是第一次在一起说话。