AP Latin Question of the Day

Test your knowledge with a hand-picked multiple-choice question.

Disertissime Romuli nepotum,
quot sunt quotque fuere, Marce Tulli,
quotque post aliis erunt in annis,
gratias tibi maximas Catullus
agit pessimus omnium poeta, 5
tanto pessimus omnium poeta,
quanto tu optimus omnium patronus.

"Disertissime" (line 1) is an example of which of the following?