Question

— I called you yesterday evening, but you were not in .
— Sorry, I ________ in the shop with my mother.

A．am

B．will be

C．was

D．have been

Answer 1

C

句意：昨天晚上我给你打电话了，但是你不在家。——抱歉，我正在和我的母亲在商店里面。结合语境可知下文描述的是过去的状态，故用一般过去时态。选C。