单选题 Guest:
Clerk: Certainly. Do you have a reservation?
Guest: Yes. The name is Morales. Mr. and Mrs. Morales.
Clerk: Here we are. For five nights. Could you fill in the registration card, please? And I'll need your credit card.

A、 I'd like rest here, please
B、 I'd like to rent a room, please
C、 I'd like to check in, please
D、 I'd like to stay in, please

【正确答案】 C

【答案解析】从已知对话内容判断，客人要求登记入住，四个选项中只有C项I'd like to check in，please符合习惯说法。