-How long have you been like this? - October 13, Monday． [ ] A． On B． After C． F

－How long have you been like this?

－________ October 13, Monday．

On

After

From

Since

试题答案

答案：D

从问句“How long…?”来看，要求答语为表示时间段的，只有用since即“自从……以来”。