There are hopeful signs that we are shifting away from our heavy reliance on fossil fuels:more than ten times as much energy is generated through wind power now than it was in 1990.
(A) generated through wind power now than it was
(B) generated through wind power now as it was
(C) generated through wind power now as was the case
(D) now generated through wind power as it was
(E) now generated through wind power than was the case
该题在讲解时，说到it指代句子前面出现过的事物时，精确指代前文出现的该特定事物，该事物的修饰成分、特性均被继承在it当中。我记得有一道语法题说最近多少年的经济增长超过农业文明一年的1万年，正确的选项中就有than it did ...