题目内容：

选哪个?A) from now on B)ever since C) since then D) from then on讲讲为什么
He founded the company five years ago and has been managing the business________.
A) from now on\x05B)ever since\x05C) since then\x05D) from then on

优质解答

D since then 通常放句首且后面要加逗号.

追问：

那B选项呢？

追答：

Ever since 后面必须加一个时间点. i.e. ever since (when) i went to sleep