问题补充：
your help, I finished the work in time.
A. Because
B. Thanks to
C. Thanks for
D. Without
答案：
A. Because
(答案→)B. Thanks to
C. Thanks for
D. Without
解析：句意：由于你的帮助，我及时完成了工作。Thanks for为……而感谢。用without时此句应为：without your help, I could not finish the work in time. 故选B
