---It is known to all that this factory pours lots of waste water into the Changjiang Rive

问题补充：

---It is known to all that this factory pours lots of waste water into the Changjiang River every year.

---- near my hometown.

A. So does it

B. So it is

C. So the one does

D. So does the one

答案：

A. So does it

B. So it is

C. So the one does

(答案→)D. So does the one

解析：句意：这个工厂每年向长江倾泻了大量的废水，这是人所共知的。我家乡附近的这个也是。the one表示我家乡的这个工厂，而it表示就是上文提到的这个工厂，不符合题意，so+助动词+主语的倒装表示某人/物也一样，故选D