Match the following :
Answer the following qeustions by appropriately matching the information given in the three columns of the following table.
Columns, 1,2 and 3 containing starting materials, reaction conditions and type of reactions, respectively.
For the synthesis of benzoic acid, the only correct combination is :
A. (III),(iv),(r)
B. (IV),(ii),(p)
C. (I),(iv),(q)
D. (II),(i),(s)