Sentence Correction

Babylon was the largest city in the world for hundereds of years,until 32B.C,when it was conquored by Cyrus the Great,then king of persia,who,divering the waters of the Euphrates,marched his invading army in the city on dry ground like the river had never existed.
a. who,divering the waters of the Euphrates,marched his invading army in the city on dry ground like
b. who,when the waters were diverted,marched his invading army in on dry ground like
c. who,had diverted the waters of the Euphrates,marching his invading army in on ground dried to be as if
d. who,diverted the waters of the Euphrates,and then marched his invading army into the city on dry ground as if
e.divering the waters of the Euphrates,and marching his invading army in on ground dried as if

[spoiler]OA:D [/spoiler]
Guys pls explain in detail

A. Incorrect, => diverting and marching at the same time!!

B. Incorrect, ' when the waters were diverted' .. diverted by whom ..passive voice.

C: Incorrect, 'had diverted' .. Past perfect is not required.

D: Correct, 1st diverted.., then marched...

E: Incorrect, diverting .. and marching .. simple past tense is required.