Transitional words alert the reader A-to merely review the previous paragraph in order to determine the pattern of organization.

B-to the writer's direction of thought throughout the passage.

C-that the pattern of organization is one of contrast.

B.) to the writer's direction of thought throughout the passage

Explanation:

Transition words are phrases, sentences, or paragraphs that help connect or link concepts, phrases, or sentences. These words serve as a bridge between ideas, allowing the reader to flow easily between them. I hope this helps! ^-^