There weren't _______ people waiting at the luggage office.

A．he couldn't really lost his receipt
B．he hadn't really lost his receipt at all
C．he had to fill in a form
D．the assistant was laughing at him

A．to claim his suitcase
B．to pay at the luggage office
C．to prove that he had paid at the luggage office
D．to prove that he had bought the suitcase