2 A
3 C
4 D
5 D
6 C
7 A
8 C
9 C
10 D
11 A
12 B
13 B
14 D
15 D
16 D
17 C
18 C
19 D
20 D
21D
22 A
23A
24 A
25 D
26 ABC
27 CDE
28 ABCD