问题补充：
—It’s such a beautiful day. Why not have a picnic with us?
—. But I have a lot of homework to do.
A. Don’t mention it
B. It’s up to you
C. I have no time
D. I’d love to
答案：
A. Don’t mention it
B. It’s up to you
C. I have no time
(答案→)D. I’d love to
解析：考察交际用语，根据题意它是如此美丽的一天。为什么不和我们去野餐？下文，但是我有很多作业要做。可知选D，我是想去。
