单项选择题
Chark: Would you like to have tea with us Clara: No, thank you. （）. Chark: You must come again.
A．I wish I can B．I must be going C．I've had enough D．I'm all right
A．That's right B．Don't worry C．I'm fine D．Take it easy
A．Yes, dogs will be out of the question B．Yes, I like dogs C．No, dogs are not good pets D．No l our policy is not particular