Which words in the sentence are the adjective clause?
Alessandra, whom everyone calls "Al," is the best tennis player on the team.
a. whom everyone calls "Al
b. is the best
c. tennis player on the team
d. Alessandra, whom everyone
Adjective clause describes or gives some information about the subject, or a noun generally, which in this case is "Alessandra". The clause that describes her is "whom everyone calls "AI"": so the correct answer is a) .