You haven`t taken the medicine.It __before dinner.A should have been taken B is taken C has been taken D should have taken

You haven`t taken the medicine.It __before dinner.A should have been taken B is taken C has been taken D should have taken
You haven`t taken the medicine.It __before dinner.
A should have been taken B is taken C has been taken D should have taken

You haven`t taken the medicine.It __before dinner.A should have been taken B is taken C has been taken D should have taken
本应该的意思.A should have been taken
根据意思:你还没有服过药呢.你本应该在晚饭前服用.

A
虚拟语气