JEE Main 2023 Chemistry question

A protein 'X' with molecular weight of 70,000 u, on hydrolysis gives amino acids. One of these amino acid is :

• (A)CH_3-CH(CH_3)-CH_2-CH(NH_2)-COOHCorrect
• (B)CH_3-CH(CH_3)-CH(NH_2)-CH_2-COOH
• (C)NH_2-CH_2-CH(CH_3)-CH_2CH_2COOH
• (D)CH_3-C(CH_3)(NH_2)-CH_2-CH_2COOH