问题
选择题
Mary was praised by the headmaster in public and on that _______ she was simply proud.
A．position
B．circumstance
C．occasion
D．situation
答案
答案：C
词义辨析。 A. 位置；方位 B. 环境；情况 C. 时机；场合；理由 D. 情况；形势。句意：玛丽被校长公开的表扬，在那个场合下她有点自豪。On that occasion在那个场合下，故选C。