[单选题]_____ advance seems to be following advance on almost a monthly basis.
A
So rapid is the rate of progress that
B
Rapid as the rate of progress is that
C
So rapid is the rate of progress as
D
Rapid as the race of progress as
正确答案：A
题目解析
该句的正常语序为The rate of progress is so rapid that advance seems to be following advance on almost a monthly basis.句意为“进展速度如此之快，看起来几乎每个月都有进展。as在引导让步状语从句时，将表语、状语或动词原形等提到as前面，构成倒装。本句不是让步状语从句。“so(如此) + 形容词+ that引导的结果从句”意为“如此……以致于……”。故选A。
