Question

【题目】He was proud ________ to lead the project.
A.to choose
B.to have chosen
C.to have been chosen
D.to being chosen

Answer 1

【答案】C
【解析】考查不定式的各种形式。句意：他很自豪能被选择指挥这项工程。be proud to do sth.“因做某事而自豪”，句中主语He和动词choose是被动关系，且方式时间早于was proud，故用不定式的完成式的被动结构，故选C。