GWD-18-Q11

philikittists

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
5. its return in 1910-1911

answer: A

mine: D 

为什么呢？

 这里的in other historical sighting 是什么意思？

蓝色的小猫

=

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

= ... as its return in 1910-1911 caused a worldwide sensation = ... as did its return in 1910-1911.

philikittists

thanks !!!!!!!!!!!