Answer:A. "capital letters" and "lower case letters"
Explanation:
1. met
2.is going
3. didn’t
4.is cooking
5.opened
6. sold
7.played
8.telling
9.took
10. finishing
11.watched
12.arrived
13.went
14.took
15.stay or sit
16. buying
17.painting
18. to become
19. did not find
20.finished
21.meet
A) health nuts is the correct option. "Health nuts" are informal words used to referto people ,in this case, extremely interested in working out.