Select the Correct Name for This Compound

Select the correct name for this compound.

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.