<span>An adjective clause is simply a group of words with a subject and a verb that provide a description. The clause starts with a pronoun such as who, whom, that, or which or an adverb such as when, where and why.</span>
Answer:
It's D or C
Explanation:
Both make sense to me but I'm not sure. I suggest trying D, if not then C. I hope you found this helpful.
