Which of the following topic sentences does NOT introduce its paragraph's main idea? Select one: a. After finishing my paper, I gave a copy to my friends to read. b. Finally, you read my paper and gave me an incorrect grade. c. I have always received good grades in my writing class.

Read the passage below and answer the question. somehow, it was hotter then: a black dog suffered on a summer’s day; bony mules hitched to hoover carts flicked flies in the sweltering shade of the live oaks on the square. men’s stiff collars wilted by nine in the morning. in the excerpt above, the phrase "stiff collars wilted by nine in the morning" suggests that despite the heat, men still dressed up the men in the town were vain men's clothing appeared its best on hot days the men were not accustomed to wearing nice clothes