—You look sad, Betty. What's the matter with you?
— ______
A：I've got the first prize.
B：I'm sorry to hear that.
C：I can't attend the summer camp.
D：I don't quite agree with you.
“黄金周”假日是人们休闲放松的一种方式，也拉动了我国经济的发展。它透露出的主要历史信息是 ( )
“马六甲海峡”被哪一国称为“海上生命线”：
