his happy look on the face, he must have passed the exam this time.
A. Judging from
B. To judge from
C. Judged from
D. Judge by
网友回答
(答案→)A. Judging from
B. To judge from
C. Judged from
D. Judge by
解析：Judging from 从……来看，不随句子主语的变化而变化；与其用法相同的现在分词短语还有:generally speaking; frankly speaking; talking of(谈到); considering(考虑到,因为是);putting it mildly(说得客气一点)等。这些分词用来修饰全句。