A compound (X) having molecular formula C6H11Br behaves differently towards LiAlH4 and NaBH4. A possible structure of (X) may be
A) 1-bromo-2-methylpentane
B) 2-bromo-3-methylpentane
C) 3-bromo-2-methylpentane
D) 4-bromo-3-methylpentane