If a function has a second derivative at $x=C$ such that $f(C) =0,f"(C) > 0,$ then at $x = C, f(x)$

 A. has local Maxima and local Minima

B. has local Minima

C. is absolute Maxima and absolute Minima

D. is either increasing or decreasing

Choose the correct answer from the options given below

B only