Which of the following produre would be the best for perparation of a phenyl benzyl ether `(C_(6) H_(5)OCH_(2)C_(6) H_(5))` ?
A. `C_(6) H_(5)Cl + C_(6)H_(5)CH_(2)overset(ө)O`
B. `C_(6)H_(5) overset(ө)O + C_(6)H_(5)CH_(2) - Cl`
C. `2C_(6)H_(5)Cl + Na_(2)O`
D. `2C_(6) H_(5)MgBr+ HCHO`