Which would be the most effective strategy in gathering details about two subjects you want to compare? create an outline for your draft list specific questions about both subjects circle your topic sentences determine your audience and purpose

The most effective strategy in gathering details about two subjects you want to compare is to list specific questions about both subjects. In this way, you can effectively determine what areas are present and not present on the two subjects you are comparing.

it's C for me it's A, anyone else with the same question look for the 'On the one hand' to make sure you have the right paragraph.