问题
选择题
Jack described his father, who _____ a brave boy many years ago, as a strongwilled man.
A．would be
B．would have been
C．must have been
D．must be
答案
答案：C
情态动词题。Must have done 对过去的推测。 杰克说他的父亲是意志坚强的人，多年前他肯定是勇敢的孩子。 根据语境选C