Answer:
Yea that is hard but look closely and u will see the difference.
Explanation:
<span>An adverb
clause is a group of words that works as an adverb (which answers the questions
when?, where?, why?, how?, how much? and under what condition?) and can modify verbs,
adverbs and adjectives.</span>
<span>
So the correct answer is "who received a good grade".</span>
It says in your reading, so for someone to answer that we need to know the reading material.