Which Molecular Formula Is Consistent with the Following Mass Spectrum

Multiple Choice

Which molecular formula is consistent with the following mass spectrum 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