his timely help Kate overcame the hardship at last.A. Now thatB. Thanks toC. SinceD. Be

问题补充：

his timely help, Kate overcame the hardship at last.

A. Now that

B. Thanks to

C. Since

D. Because

答案：

A. Now that

(答案→)B. Thanks to

C. Since

D. Because

解析：考查词义辨析。ＡC既然（后面接句子）：B多亏（后面接短语）；D因为（后面接句子）；句意：多亏他及时帮助，Kate最终才克服了困难。根据句意说明B正确。