When writing an objective summary, what type of word (or phrase) comes at the beginning of each main idea?

The author gives supporting information first and then makes the point in the last sentence.

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