What is a major difference between fixed and free/open poems?

A.

Free/open poems have a strict number of lines.

B.

Fixed poems do not have a regular rhyme scheme.

C.

Fixed poems do not have a regular meter, but free/open poems do.

D.

Free/open poems do not have a regular rhyme scheme, and fixed poems do.

Verified Answer :

"Free/open poems do not have a regular rhyme scheme, and fixed poems do" is the one major difference between fixed and free/open poems among the following choices given in the question. The correct option among all the options that are given in the question is the fourth option or option "D".