单选题 Speaker A: That was a great dinner. Thanks a lot. You'll have to come to our place sometime.
Speaker B: ______
A. I'm really very sorry. You see, I haven't prepared anything delicious for you.
B. Come again whenever it is convenient to you, won't you?
C. Why do you have to leave in a hurry? Do you have anything urgent to do?
D. I'm glad you enjoyed it. Hope to see you again soon.