The correct answer is free verse (choice C), in which you do not follow any particular rules about rhythm or rhyme. On the other hand, iambic, fixed, and syllable verses follow a certain rhythm, to make the poem look more uniform. Free verse is not restricted in such a way, and allows author to write as the wish.
Answer:
Although students may feel they have too much homework, a study found that today's students have the same amount as their parents did.
Explanation:
Medical Dictionary, Hope this helps ^^