—Have you had your supper?Yes.I ___ it an hour ago.填had还是have?

题目

—Have you had your supper?Yes.I ___ it an hour ago.填had还是have?
但是答案是说have啊
我是在做新东方的新概念英语之《全新全译》1
第83-84课，测试选择第5题。答案说是have，我自己本来都选择had的啊

答案

have.因为是以have提问的.相当于问你Do you.?yes,I do.类似.