Mary was praised by the headmaster in public and on that she was simply proud.A. position

问题补充：

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：

A. position

B. circumstance

(答案→)C. occasion

D. situation

解析：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。