GWD31-18-11和 GWD31-18-31

Q11:

In no other historical sighting did Halley’s comet cause such a worldwide sensation as did its return in 1910-1911.

1. did its return in 1910-1911

2. had its 1910-1911 return

3. in its return of 1910-1911

4. its return of 1910-1911 did (A)
5. its return in 1910-1911

Between 1990 and 2000 the global economy grew more than it did during the 10,000 years from the beginning of agriculture to 1950.

1. Between 1990 and 2000 the global economy grew more than it did during the 10,000 years from the beginning of agriculture

2. Between 1990 and 2000 the growth of the global economy was more than that during 10,000 years, from when agriculture began

3. The growth of the global economy between 1990 and 2000 exceeds that which had been for 10,000 years from the beginning of agriculture

4. The growth of the global economy between 1990 and 2000 exceeds what it has been for 10,000 years, from when agriculture began   (A)

5. The growth of the global economy between 1990 and 2000 exceeded what it did for the 10,000 years from the beginning of agriculture

请问11题答案怎么不平行， Halley’s comet 对应 its return ?

31题中，grow more 这个说法怎么觉得有点不合逻辑呢

都是弱问题呀，帮忙指点一下吧

没有人回答吗