Which Molecular Formula Is Consistent with the Following Mass Spectral

Multiple Choice

Which molecular formula is consistent with the following mass spectral data? M⁺• at m/z = 108, relative height = 61.5%
(M+1) ⁺• at m/z = 109, relative height = 1.5%
(M+2) ⁺• at m/z = 110, relative height = 61.3%

A) C₂H₅Br
B) C₅H₁₂Cl
C) C₈H₁₂
D) C₂H₇Br
E) none of these