Identify X and Y in the following sequence of reactions respectively:
`CH_(3)CHOoverset(HNO_(3))toXunderset(Delta)overset(P_(4)O_(10))toY`
A. `C_(2)H_(5)OH and C_(2)H_(4)`
B. `CH_(3)COOH and (CH_(3)CO)_(2)O`
C. `CH_(3)COOH and CH_(3)COOCH_(3)`
D. `C_(2)H_(5)OH and CH_(3)COOH `