Question 1: A, E

Question 2: A, B, E

Question 3: A, D, E

Question 4: A, B

Question 5: A, B, C, D

Question 6: A, C

Question 7: B, C, D

Question 8: A, D, E

Question 9: A

Question 10: B

Question 11: B

Question 12: B

Question 13: B

Question 14: C

Question 15: A

Question 16: C

Question 17: A

Question 18: D

Question 19: C

Question 20: B