问题补充：
The project he was confident about to be a failure.
A. turned up
B. turning out
C. turned out
D. turning down
答案：
A. turned up
B. turning out
(答案→)C. turned out
D. turning down
解析：这题考查短语辨析：A. turn up出现，露面，B. turn out结果是，D. turn down拒绝，句意是：他很有把握的课题结果是失败的。Turn out相当于是连系动词不能用被动。选C。
