The answer is C
Answer A is showing more than one chairman of the board, and answer B is just wrong. Answer D is showing more than one chairman of the board has posession of the microphone, but the sentence indicates that there is only one chairman of the board, so therefore, the answer C is the one you want because it is showing singular possession of the microphone
B. Students
The paragraph explicitly says that if students do not come in on time *they* will be punished.
reason
Explanation:
because it fits why because on the reason is the one which is fitting
