B. [5 pts] Consider the integrals below. COS (C) 1 dx ii. iii. 12 - 20 In(5 + 17 tan(r)) dx DO 31- + 1 Which of these integrals is improper? A i. only B ii. only C iii. only D i. and ii. only E i. and iii. only ii. and ii. only G All of them 1 None of them