Answer:
b
Explanation:
because people we afraid of the boulder
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
Most ... spies of the civil war were amateurs