14. Humpback whales...
A ...are mammals.
Check answer B.
B ...are cetaceans.
Check answer A.
C ...are vegetarian.
Humpback whales eat plankton, fish, and crustaceans.
D Only A and B are true.
Correct!
E Only A and C are true.
(See Answer C.)
F Only B and C are true.
(See Answer C.)
