— You study hard you’re sure to pass the exam.— Thank you for saying so. A. enough… to

问题补充：

— You study hard you’re sure to pass the exam.

— Thank you for saying so.

A. enough… to B. as…as C. so…that

答案：

解析：考查so…that的用法。enough...to“足够做……”；as...as...“和……一样”；so...that...“如此……以至……”。由句意：－你学习如此的努力以至于你肯定能通过考试。－谢谢你这么说。故选C。