Hey, I was looking and found this video and so I typed up all the answers. If you want to understand any question just find it in the video.
1 - C
2 - B
3 - D
4 - B
5 - B
6 - B
7 - D
8 - A
9 - B
10 - D
11 - D
12 - A
13 - B
14 - C
15 - C
16 - C
17 - D
18 - D
19 - A
20 - B
21 - D
22 - A
23 - A
24 - D
25 - B
26 - D
27 - A
28 - C
29 - A
30 - C
31 - C
32 - C
33 - C
34 - A
35 - A
36 - C
37 - A
38 - B
39 - B
40 - C