Which was not an advancement that the muslims made ?
a. they invented algebra
b. they corrected the star charts of the ancient greeks
c. they built public hospitals
d. they invented monasticism

I believe the answer is: D. They invented monasticism

Monasticism refers to the view that people should be able to  renounces all of their worldly pursuits and must devote their life solely for religious actions. This view was first introduced by the Followers of the Buddhisms followed by the christian followers

it maybe, we dont know. however lucky the lipercon seams guilty