Answer:
The correct answer is option a. "topical".
Step-by-step explanation:
A topical organizational pattern, also known as logical organizational pattern, is an approach that arranges the information using sub-topics that are contained within a larger topic. In this case, Abigail wants to tell her audience about three important factors to consider when purchasing a new computer. The best way to do this is by using a topical organizational pattern, where each important factor is a sub-topic of the larger topic that is purchasing a new computer.