Question

It is known to all of us that lions ______ meat-eating animals.

1. A.
   belonged to
2. B.
   are belonging to
3. C.
   are belonged to
4. D.
   belong to

Answer 1

D
狮子属于食肉动物是客观的事实，用一般现在时，属于某人或某类可用belong to，故本题选D。