The correct answer is platform.
A. list of individuals
D. circular building
The correct answer is (C) A platform, a pulpit; any stage for public speaking. Also, a beaklike prow of a ship, especially an ancient war galley; a stiff beaklike part for ramming an enemy ship.
Rostrum comes from Latin rostrum (bill, beak)
Examples of use:
- The winning speech was presented to the entire school from the rostrum.
- The political candidate stepped up to the rostrum to deliver his address. duet.