Suggested or hinted at but not actually expressed in words
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
The rabbit ate a big meal. That meal was bad. The rabbit then slowly died.