The IUPAC nomenclature of the compound below is
$\table , , H, , CH_3, , , , , ,; , , ∣, , ∣, , , ,, ,; H_2C, -, C, -, C, -, CH_2, -, CH_2, -, CH_3; , , ∣, , ∣, , , ,, ,;, , CH_3, , H, , , , , ,;$

• A.3,4-dimethylhexane
• B. 2,3-dimethylhexane
• C. 2-ethylhexane
• D. 2-ethylpentane