`Ph-CH=CH-underset(O)underset(C)-H overset((i) CH_(3)CH_(2)MgBr)to overset((ii) H_(3)O^(o+))to(X) overset(Cu,Delta)to(Y)`
A. X is 1,4-addition product , Y is `Ph-underset(O)underset(||)(C)-CH=CH-CH_(2)-CH_(3)`
B. X is 1,2-addition product , Y is `Ph-CH=CH -underset(O)underset(||)(C)-CH_(2)-CH_(3)`
C. X is 1,4-addition product , Y is `Ph-CH=CH-underset(O)underset(||)(C)-CH_(2)-CH_(3)`
D. X is 1,2 addition product , Y is `Ph-underset(O)underset(||)(C)-CH=CH-CH_(2)-CH_(3)`
