Which of These Statements Is a Characteristic of the Stepwise

Multiple Choice

Which of these statements is a characteristic of the stepwise regression procedure?
(I) It chooses the jointly most 'important' explanatory variable from a set of candidate variables
(II) It can start with no variables in the regression and then it selects first the variable with the lowest p-value
(III) It can start with no variables in the regression and then it selects first the variable with the highest p-value

A) I only
B) II only
C) III only
D) Both I and II