The answer which is true about phrases is that C. they can't stand alone because they are missing a subject, a verb, or both.
This is an example of a phrase:
having considered the problem carefully
Answer:
He introduced readers to previously forbidden topics -- sexuality, the human body and its functions -- and incorporated unusual themes, such as debris, straw and leaves, into his work. He also uses free verse which is fairly unique.
Explanation:
"The firefighters were enervated by the blazing forest fires, so they decided to eat and <span>rest before returning to work" would be the best option but there are others. </span>