It was from only a few supplies that she had bought in the village _____ the hostess cooked such a nice dinner. [ ]

A. where

B. that

C. when

D. which

故障备件返修管理员的工作职责（）。

A.维修故障备件

B.故障备件出入库记录

C.发现故障备件

D.故障备件发货