your T-shirt is so cool.could you tell me ----

问题描述:

your T-shirt is so cool.could you tell me ----
a\ where you buy it
b\ where do you buy it
c\ where you bought it
d\ where did you buy it
为什么答案是c
说明理由

where引导从句,用陈述语气,所以b、d排除.因为已经穿着了,所以买的动作是过去发生的,用过去时,选c