Because of their race and background
The topic sentence is, of course, a sentence where you state the main topic of your paper. You want people to know your topic as soon as possible. Therefore, answers A and D are obviously places you would most commonly put your topic sentence. However, you can also put it in your body of your paper. But the one place you never want to put your topic sentence is answer C, in your conclusion paragraph.
4. Males were less likely than females to take part in running.
5. A greater proportion of women then men participated in badminton.
6. The table compares data about male and female involvement in a range of sports in New Zealand last year.