GKFix MCQ Question

What is the IUPAC name for CH3-CH2-C≡C-CH(CH3)-CH2-CH3?

• A. 3-Methylhept-3-yne
• B. 4-Methylhept-3-yne
• C. 5-Methylhept-3-yne
• D. 4-Methylhept-2-yne