It was（）to continue the negotiation since both sides lack the sincerity.

单项选择题Since the two countries couldn’t （） their differences, they decided to stop their negotiations.

A. rectify
B. oblige
C. reconcile
D. obscure

单项选择题Tom was accused of（）against black persons, that is to say, he looks down upon them.

A. discriminating
B. distinguishing
C. distressing
D. disguising