Each of the options below show a point before and after that point was transformed by a dilation centered at the origin. Which of the points below was dilated by a scale factor of 2? Select all that apply. A) Before: (2, 4), After: (4, 8) B) Before: (1, 5), After: (2, 10) C) Before: (4, 3), After: (6, 5) D) Before: (3, 4), After: (6, 8)