Based on the following sentence, which answer both names the error present and corrects the error?
Vernon spent hours planning his dinner party, but his guests arrive later than he requested.
A. slv agr (Vernon spent hours planning his dinner party, but his guests arrives later than he requested. )
B. irregular verb form (Vernon spend hours planning his dinner party, but his guests arrive later than he requested..)
C. inconsistent verb tense (Vernon spent hours planning his dinner party, but his guests arrived later than he requested.)
D.none of the above