The correct answer is A. Who.
Whom is a pronoun which can only be an object in the sentence, but never as subject. You could say "to whom has he sent these lovely flowers" but not "whom has sent ...."
Answer:
They have disappeared into an unseen valley, they are sleeping.
Explanation:
I just took the quiz
Hello it’s b I’ve done this before
Answer:
This is a <u>COMPOUND sentence</u>. IT is a compound sentence because it has more than one subject and verb.