A、Buy one. B、Borrow one from the man. C、Make one. D、Steal one. BAccording to the conversation, how can the girl get a helmet?

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 8:00 a.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.