I think it is <span>A. </span><span>adjective clause</span>. Because we have here relative pronoun "who" that plays a role of a subject.
<span>When using the perfect tenses of verbs, it's necessary to add a helping verb, The answer is letter C. Helping verbs helps in conjunction to connect it with a mood or time of the verb. The examples of helping verb are </span><span>will, shall, may, might, can, could, and must.</span>
Answer:
the past simple is MADE
cause it's an irregular verb
