Salt deposits and moisture threaten to destroy the Mohenjo-Daro excavation in Pakistan, the site of an ancient civilization that flourished at the same time as the civilizations in the Nile delta and the river valleys of the Tigris and Euphrates.
(A) that flourished at the same time as the civilizations
(B) that had flourished at the same time as had the civilizations
(C) that flourished at the same time those had
(D) flourishing at the same time as those did
(E) flourishing at the same time as those were
[spoiler]OA: What's wrong with option B??????? both the civilizations existed at the same time therefore, I felt that usage of had won't do any harm. Please explain the reasoning why is B wrong...........[/spoiler]
(A) that flourished at the same time as the civilizations
(B) that had flourished at the same time as had the civilizations
(C) that flourished at the same time those had
(D) flourishing at the same time as those did
(E) flourishing at the same time as those were
[spoiler]OA: What's wrong with option B??????? both the civilizations existed at the same time therefore, I felt that usage of had won't do any harm. Please explain the reasoning why is B wrong...........[/spoiler]
