Question

A verb that is followed by words that answer what? or whom ?​

Answer 1

question⤵

Who do you call or whom do you call?

answer⤵

The quick test in choosing between who and whom is to substitute he or him. If he sounds better, who is correct; if him sounds right, whom is correct. That's because as a pronoun whom is used to represent the object of either a verb or a preposition, while who represents the subject of a verb.