Question

In the diagram, polygon ABCD is flipped over a line of reflection to form a polygon with its vertices at A′, B′, C′, and D′. Points A′, B′, and D′ are shown, but the line of reflection and point C′ are not
The line of reflection is A) x = 4 B) y = 4 C) x = 5 D) y = 5
and the coordinates of C′ are A) (5,2) B) (6,2) C) (7,2)
D) (12,2)