单项选择题
[听力原文]8-10
W: My mother told me to keep away from the swimming pool
M: Did she Then shall we go to the park to roller-skate
W: Good idea! I am crazy about roller-skates! When shall we go
M: What time suits you It doesn’t make any difference to me.
W: Shall we meet in front of the school gate at 8:00a. m. and go to the park together
M: No problem. By the way, you have to wear a helmet when roller-skating. Do you have one
W: Oh, dear, I don’t.
M: Don’t worry. I have two helmets. I can lend you one tomorrow.
A．Because she dislikes swimming.
B．Because her mother forbids her to swim.
C．Because she has to go to roller-skate.
D．Because she is crazy about roller-skates.