How was Gislebertus, the greatest Romanesque artist of all time, influential during this time period? A. influenced leaders to encourage art
B. showed attention to the build of the human body
C. created the tympanum above the main entrance of Sainte-Foys Abbey
D. created manuscripts using gold leaf
F. developed a new style of mosaics

i believe the answer is: a.  abstract forms were often used to represent human figures.

representing human figures in abstract forms is often used in the geometric period, not hellenistic  period.   during the hellenistic  period,   aesthetic value derived from creating arts which mimic the actual shape of a certain object or individuals.

hope this ! < 3

just took the quiz and the answer is c