Hydrocarbon X is a saturated compound. Each molecule has one ring made up of carbon atoms. The mass spectrum for hydrocarbon X has been recorded. The peak for the $\text{M}^+$ ion measures $14\,\text{mm}$ in height. The peak for the $[\text{M}+1]^+$ ion measures $0.77\,\text{mm}$ in height. What is the $m/e$ value of the $\text{M}^+$ ion of X?
- A56
- B58
- C70
- D72