The ester $\text{CH}_3\text{CH}_2\text{CH}_2\text{CO}_2\text{CH}_3$ gives apples their aroma. If this ester is hydrolysed by acid in the stomach, what empirical formula does the organic acid formed have?
- A$\text{CH}_2\text{O}$
- B$\text{CH}_4\text{O}$
- C$\text{C}_2\text{H}_4\text{O}$
- D$\text{C}_3\text{H}_6\text{O}_2$