A is the answer, the others have nothing to do with adjectives
I believe the answer would be D
Answer:
Be the good girl you always have to be Conceal, don't feel, don't let them know Well, now they know
Explanation:
Your answer should be WHO.
Think of it like this: You wouldn't say "The boy it (a variant of 'which')", because it simply just sounds odd. Instead, you're wired to think "The boy, he (an unknown name, so it would be 'who')".
Im pretty sure is the last one
