Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges.
Mrs Smith and her students are visiting the zoo.
Mike: "Can I feed the gorilla, Mrs Smith?" Mrs Smith:" . The sign says 'No feeding theanimals'."
A.Of course you can
B.I'm sure about that
C.I don't think it works
D.I'm afraid not