For the reaction,
`A(g)+2B(g)rarrC(g)+D(g)" "((dx)/(dt))=k[A][B]^(2)`
Initial pressure of A and B are respectively `0.60` and `0.80` atm. At a time when pressure of C is `0.20` atm rate of the reaction, relative to the initial value is :
A. `(1)/(6)`
B. `(1)/(48)`
C. `(1)/(4)`
D. `(1)/(24)`