【单选题】

Clerk: Lost property department. Can I help youCaller: ______ I left it on the "Margate Mermaid" when we crossed 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 camera.