Identify the final product in the given reaction:
`Ph-CH_(2)COOH underset((ii) :COH)overset((i)P_("red")+Br_(2))to X overset(H^(+),Delta)(to) Y`
A. `Ph-CH_(2)-underset(O)underset(||)(C)-O-CH_(2)-Ph`
B.
C. `Ph-CH_(2)-underset(O) underset(||)(C)-O-underset(O) underset(||)(C)-CH_(2)Ph`
D.
