单项选择题

Telephone enquiry Clerk: Lost property department. Can I help you
Phone caller: ______ I left it on the "Margate Mermaid" when we cross from Olsten Yesterday morning.

A.I want you help me find my lost camera.
B.I wonder if you have a camera of mine.
C.Do you think if you have a camera of mine
D.I doubt if you could help me find my lost camer