问题补充:
He was faced with the of whether or not to return to his country after he got the doctors degree in America.
A. situation
B. circumstance
C. environment
D. dilemma
答案:
A. situation
B. circumstance
C. environment
(答案→)D. dilemma
解析:考查名词:A. situation形势B. circumstance 环境C. environment环境D. dilemma窘境,两难境界,句意:他面临在美国获得博士学位后是否回国的两难境界。选D。