If `f(x)={(ax^2+b,","0 le x le 1),(4,","x=1),(x+3,","1 lt x le 2):}` then the value of (a,b) for which f(x) can not be continuous at x =1, is :

Options

A. (2,2)
B. (3,1)
C. (4,0)
D. (5,2)

Answer

D