`Poverset(PhMgBr)underset(H^(oplus)//H_(2)O)rarrCH_(3)-overset(OH)overset(|)underset(Ph)underset(|)C-Ph`
Identify structures of P :
A. `CH_(3)-overset(O)overset("||")C-Cl`
B. `CH_(3)-overset(O)overset("||")C-OC_(2)H_(5)`
C. `CH_(3)-overset(O)overset("||")C-Ph`
D. `CH_(3)OH`