Which of the Following Statements Is True of Stepwise Regression

Which of the following statements is true of stepwise regression?

A) In a stepwise regression, the dependent variable is regressed on each independent variable individually with an attempt to understand the effect of each independent variable on the dependent variable.
B) In a stepwise regression, the dependent variable is regressed on different combinations of the independent variable with an attempt to come up with the best model.
C) In a stepwise regression, the dependent variable can take up binary values only while the explanatory variables can take up quantitative values.
D) In a stepwise regression, the dependent variable can take up quantitative values while the explanatory variables can take up only binary values.