GKFix MCQ Question

What is the correct IUPAC name for the structure CH3-CH2-CH(CH2CH3)-C(CH3)2-CH3?

• A. 3,3-Dimethyl-3-ethylpentane
• B. 3-Ethyl-3,3-dimethylpentane
• C. 3-Ethyl-3-methyl-3-methylpentane
• D. 2-Ethyl-2,2-dimethylpentane