In a Regression Setting, Which of the Following, If Any

Multiple Choice

In a regression setting, which of the following, if any, is true?

A) If you add a predictor variable to an existing model, the value ofwill either remain the same or increase. However, in selecting a model, you should consider the value of the adjustedas well as.
B) You should always select the model with the largest.
C) You should select a model where all the regression coefficients have p-values greater than 0.05.
D) All of these.
E) None of these.