根据对话内容, 从方框中选出能填入空白处的最佳选项。其中有一项为多余选项。

A: Hi, Mary.

B: I'm going to have a holiday in Hong Kong.

A:

B: My grandparents.

A:

B: On October 1.

A:

B: We are going to visit different places and eat delicious food.

A:

B: The same to you.

A. Have a good time! B. I'm going to Shanghai. C. Who are you going with? D. When are you going to leave? E. What are you going to do there? F. What are your plans for National Day?