from the bright smile on his face he in passing the job interview.A. Judging; must hav

问题补充：

from the bright smile on his face, he in passing the job interview.

A. Judging; must have succeeded

B. Judging; might succeed

C. Judged; must have succeeded

D. Judged, might succeed

答案：

(答案→)A. Judging; must have succeeded

B. Judging; might succeed

C. Judged; must have succeeded

D. Judged, might succeed

解析：A 考察非谓语动词和情态动词。Judging from是固定搭配，在句中做状语，第一空must have dons是对过去所发生事情的肯定推测。