Compound X has three carbon atoms. A section of the simplified infra-red spectrum for compound X is displayed. Which compound might X be?
- A$\text{CH}_3\text{CH}_2\text{CHO}$
- B$\text{CH}_3\text{CH}_2\text{CO}_2\text{H}$
- C$\text{CH}_3\text{CH}_2\text{CH}_2\text{OH}$
- D$\text{CH}_3\text{CO}_2\text{CH}_3$