Which molecule cannot be produced by cracking one molecule of nonane, $\text{CH}_3(\text{CH}_2)_7\text{CH}_3$?
- A$\text{CH}_2{=}\text{CHCH}{=}\text{CH}_2$
- B$\text{CH}_3\text{CH}_2\text{CH}_2\text{CH}_2\text{CH}_3$
- C$\text{CH}_3\text{CH}_2\text{CH}_2\text{CH}_2\text{CH}_2\text{CH}{=}\text{CH}_2$
- D$(\text{CH}_3\text{CH}_2\text{CH}_2)_3\text{CH}$