为下列问句选择合适的答语。
A. They are round cakes.
B. It’s on the ninth day of the ninth month in the Chinese calendar.
C. We eat moon cakes and fruits, and enjoy the bright full moon.
【小题1】What are moon cakes? (_______)
【小题2】When is the Double Ninth Festival? (_______)
【小题3】Can you tell me more about the Mid-Autumn Festival? (_______)