Answer:
Option C
Explanation:
(C) The use of the phrase 'divulging his frank opinions' implies that the employee did not agree with the proposals of the company. But if he felt intimidated, what would he do with these opinions? He would either keep them to himself or merely hint at them, being afraid of expressing them openly, Chary of (meaning being cautious about) is the phrase which conveys this meaning, and is the .answer.
