So far as English is concerned,it is not you might think.
A. so difficult
B. so difficult as
C. so much difficult
D. so difficult that
网友回答
A. so difficult
(答案→)B. so difficult as
C. so much difficult
D. so difficult that
解析：so difficult as you might think意思是“像你想象得那样难”，A、C两项无法和you might think搭配使用;D项中的that应引导结果状语从句，放在句中意义不对。