The diagram below outlines a reaction pathway. $\text{butane} \xrightarrow{X} \text{ethene} \xrightarrow{Y} \text{ethanol} \xrightarrow{Z} \text{carbon dioxide and water}$ Which row gives the names of processes X, Y and Z?
- A$X$: cracking, $Y$: fermentation, $Z$: respiration
- B$X$: cracking, $Y$: hydration, $Z$: combustion
- C$X$: distillation, $Y$: fermentation, $Z$: respiration
- D$X$: distillation, $Y$: hydration, $Z$: combustion