please explain, not b

Which of the following compounds will display a singlet, a triplet and a quartet in its 1H NMR spectrum? a) 3-chloro-2-methylpentane b) 3-chloropentane d) 1-chloro-2,2-dimethylbutane d) 3-chloro-3-methylpentane e) 2-chloro-4-methylpentane