The correct `IUPAC` name of the following compound is
A. `3-`ethyl `-3-`isopropyl `-4-` tertiarybutylhexane
B. `3,4,4-` triethyl `-2,2,5-` trimethylhexane
C. `3,4-`diethyl `-4-`isopropyl `-2,2-`trimethylhexane
D. `3,3,4-`triethyl`-2,5,5-`trimethylhexane
