Etalons of answers

1

A

11

C

21

C

31

B

41

C

2

B

12

B

22

B

32

A

42

B

3

C

13

D

23

A

33

B

43

D

4

D

14

C

24

D

34

A

44

B

5

E

15

B

25

C

35

C

45

A

6

A

16

E

26

C

36

B

46

A

7

B

17

B

27

A

37

D

47

D

8

C

18

C

28

D

38

D

48

C

9

D

19

C

29

E

39

A

49

D

10

E

20

A

30

C

40

D

50

A