On the xy-coordinate plane appear four points-A, B, C and D-which have (x, y) coordinates of (-2, -1), (4, -1), (-2, 3), and (3, 4) respectively.（）

A. if Quantity A is greater;
B. if Quantity B is greater;
C. if the two quantities are equal;
D. if you cannot determine the relationship based on the given information.