Helpp will mark brainliesttt Which sentence uses the pronoun correctly?

A) Whom is your dentist?
B) To who are you speaking?
C) You cast your vote for who?
D) Through whom did you arrange your vacation?

Is the group of words a simple sentence, a compound sentence, or a run-on sentence? jan went on a quiz show, won two hundred dollars, and bought gifts for her family. a. run-on sentence b. compound sentence c. simple sentence