The skirt looks different from others and it is nice.Thank,It ___ by my mother last month.
问题描述：
The skirt looks different from others and it is nice.Thank,It ___ by my mother last month.
A.made
B.is made
C.has been made
D.was made
为何选D?
答
D
last month 上个月
要用过去时态
而且是被动