In Which of the Following Cases Is the Slope of a Line

In which of the following cases is the slope of a line positive and less than infinity?

A) As the variable measured on the x-axis increases, the variable measured on the y-axis decreases.
B) As the variable measured on the x-axis decreases, the variable measured on the y-axis decreases.
C) As the variable measured on the y-axis increases, the variable measured on the x-axis decreases.
D) As the variable measured on the y-axis increases, the variable measured on the x-axis does not change.