---Where did you see the sponsor, Madame?
---It was in the supermarket I was doing some shopping with my husband.
A. that
B. where
C. which
D. when
网友回答
A. that
(答案→)B. where
C. which
D. when
解析：考查从句，从句I was doing some shopping with my husband.不缺少成份，先行词supermarket表示地点，所以选B