Which of the following sentences does not provide specific support for the topic sentence? topic sentence: study groups are an effective way to study. a. a study group is a group of people who get together to each other study. b. other members of the group may be able to point out specific questions that you wouldn't have thought of that might be on a test. c. last year after i started attending a math study group, my average went from a d to a b. d. sometimes each member of the group will be responsible for reviewing a specific topic during the week before a test.