问题详情

Guest：Good evenin9．I‘m Cad Smith．I made a reservation yesterday．Can I go to my room now？Receptionist：Yes，your room number is 905，overlooking the sea．__________．

A.Come herel

B.Here it is

C.Here is your key

D.Go ahead

请帮忙给出正确答案和分析，谢谢！