Question 1: D

Question 2: D

Question 3: C

Question 4: B

Question 5: C

Question 6: D

Question 7: B

Question 8: C

Question 9: D

Question 10: B

Question 11: C

Question 12: C

Question 13: C

Question 14: D

Question 15: A

Question 16: D

Question 17: B

Question 18: D