my teachers’ help I wouldn’t have succeeded.A. Thanks toB. Owing toC. But forD. As to

问题补充：

my teachers’ help, I wouldn’t have succeeded.

A. Thanks to

B. Owing to

C. But for

D. As to

答案：

A. Thanks to

B. Owing to

(答案→)C. But for

D. As to

解析：短语辨析。 A.由于；幸亏 B. 由于；因为 C.要不是；如果没有 D. 至于；关于。句意：如果没有我老师的帮助，我不能成功。故选C。