Everyone present at the meeting agreed to stick to the that everyone should be treated e

问题补充：

Everyone present at the meeting agreed to stick to the that everyone should be treated equally and fairly.

A. principle

B. ambition

C. purpose

D. circumstance

答案：

(答案→)A. principle

B. ambition

C. purpose

D. circumstance

解析：名词辨析。A原则；B雄心，野心；C目的；D环境；句意：参加会议的每个人都同意坚持这个原则，每个人都应该被平等公平地对待。故A正确。