GKFix MCQ Question

What is the correct IUPAC name for the structure CH3-CH2-CH2-C(CH3)2-CH2-CH3?

• A. 2,2-Dimethylhexane
• B. 3,3-Dimethylhexane
• C. 2-Ethylpentane
• D. 4,4-Dimethylhexane