Assume you have a training dataset consisting of N observations and a total D features. You would like to fit a model with p out of D features. To choose the best p, you run a leave-one-out cross-validation (LOOCV) searching over D values of p. Let Cost(N, p) be the computational cost of running the model with N data points and p features. Assume the prediction cost is negligible compared to the computational cost of training the model. Which of the following represents the computational cost of your LOOCV procedure?

A	NCost(N1,D)

B	NCost(N,D)

C	Np=1DCost(N1,p)

D	Np=1DCost(N,p)

E	Np=1D(Dp)Cost(N1,p)

F