Until Tammy Howard proved otherwise in the 18th century, many scientis

Until Tammy Howard proved otherwise in the 18th century, many scientists had believed that combustion released phlogiston, an imaginary substance whose properties were not fully understood

A. many scientists had believed that combustion released phlogiston, an imaginary substance whose properties were not fully undeB.ood
B . many scientists believed that phlogiston was an imaginary substance released by combustion and its properties were not fully understood
C. phlogiston was an imaginary substance whose properties were not fully understood and which many scientists had believed was released by combustion
D. phlogiston, an imaginary substance whose properties were not fully understood, was believed by scientists to be released by combustion
E, many scientists had believed that phlogiston was released by combustion and was an imaginary substance whose properties were not fully understood.


AjiteshArun , MagooshExpert

Shouldn't the main clause start with "phlogiston" as the subordinate clause "Until Tammy Howard proved otherwise in the 18th century" should modify "phlogiston" instead of "many scientists"??

That was the reason why I eliminated A,B, and E on;y to arrive at the wrong choice?