OG11 黄皮 No 33中 so... as to与so... that的用法问题？

genimix

33 Although schistosomiasis is not often fatal, it is so debilitating that it has become an economic drain on many developing countries.

   

(A)  it is so debilitating that it has become an economic

(B)   it is of such debilitation, it has become an economical

(C)   so debilitating is it as to become an economic

(D)  such is its debilitation, it becomes an economical

(E)   there is so much debilitation that it has become an economical



答案是A，但是C为什么不对，记得新东方网络课堂里赵丽说过：在单一主谓结构中，so… as to是优于 so … that的，C不就是到装了的so… as to吗？

kaisandy

原文无倒装,倒装起强调作用的