(8) After the destruction changes in trade routes took place, and the city was abandoned.
Which change should be made to sentence 8?

A.
Insert a hyphen between trade routes.
B.
Add a comma after destruction.
C.
Remove the comma before and.
D.
Add of Petra after the city.

what is the context here? we need to know what story you're talking about : )

the answer is subjective. i personally agree with the first answer for this question.

if one isn't strictly talking about objects then the correct answer would be 'my eyes' since according to this riddle i am asleep and in order to answer/open the door i need to open my eyes first of all.

however, if one is specifically looking for an object, then the first thing i would open would be the door

hope this !