`CH_(3)-overset(O)overset(||)C-CH_(3)overset(CH_(2)N_(2))rarr(X)overset(SeO_(2))rarrunderset(("major"))((Y))overset(m-CPBA)rarr(Z)` Product (Z) is :
A. `CH_(3)-overset(O)overset(||)C-O-CH_(3)`
B. `CH_(3)-overset(O)overset(||)C-O-overset(O)overset(||)C-CH_(3)`
C. `CH_(3)-CH_(2)-overset(O)overset(||)C-O-CH_(3)`
D. `CH_(3)-underset(O)underset(||)C-underset(O)underset(||)C-O-CH_(3)`