—WillyoubuythistieforDad?      —Ihavenoidea.Idon’tknow　...

问题详情：

— Will you buy this tie for Dad?

       — I have no idea. I don’t know 　　　 or not the colour matches his new shirt.

         A. if             B. that           C. why      D. whether

【回答】

D

知识点：连词

题型：选择题