Answer and Explanation

Your Answer is

Correct Answer is E

Explanation

Ask the point (6, 3) about the symmetry point of the line y=7. Draw a vertical line at y=7 through this point. The symmetrical point is on the vertical line, and the distance between the symmetrical point and the straight line is equal to the distance between (6,3) and the straight line. Therefore, the coordinates of the symmetrical point are (6, 11).