33) Which is the correct name for the molecule depicted below?

A. 2-isopropyl-2,3,4-trimethylbutane

B. 2-isopropyl-2,3-dimethylpentane

C. 2,3,3,4-tetramethylhexane

D. 1,1,2,2,3-pentamethylpentane

E. None of these choices is correct.