The figure below shows the letter M and four of its transformed images—A, B, C, and D:
A coordinate plane is shown. A figure M has endpoints at 3 comma 1, 3 comma 3, 5 comma 1 and 5 comma 3. Figure A is shown with endpoints at negative 2 comma 1, negative 2 comma 3, negative 4 comma 1 and negative 4 comma 3. Figure B has endpoints at negative 2 comma negative 1, negative 2 comma negative 3, negative 4 comma negative 1 and negative 4 comma negative 3. Figure C has endpoints at 0 comma negative 1, 0 comma negative 3, 2 comma negative 1 and 2 comma negative 3. Figure D has endpoints at 3 comma negative 1, 5 comma negative 1, 3 comma negative 3 and 5 comma negative 3.
Which of the four images was formed by a reflection of the letter M?
A
B
C
D