Answer: B. Who's; subject (in a contraction with a verb)
Interrogative pronouns are used when asking questions.
There are five basic Interrogative pronouns: Who, Whom, Which, Whose, and What.
His thesis is his most important idea/ideas
She wanted to die this is probably correct I think
Answer:
i think the correct answer is a and c
We used the word preserver because they lasted so long.