Question

the writers primary purpose when summarizing is to
analyze why the text was created the way it was.
formulate ways to make connections to events from the text.
draw conclusions about possible meanings of the text as a whole.
develop an interpretation of one of the authors points about the world.
identify the main idea and the key supporting details that reinforce it.

Explanation:

Summarizing involves distilling the main idea and key details of a text. Analyzing why a text was created a certain way is more of a rhetorical - analysis task. Making connections to events, drawing conclusions about overall meanings, developing interpretations of author's points are more related to critical - reading and analysis rather than summarizing. The primary goal of summarizing is to identify the main idea and key supporting details.

Answer:

identify the main idea and the key supporting details that reinforce it.