A) $A,\ B,\ C,\ D$ are concylic
B) $A,\ B,\ C,\ D$ form a parallelogram
C) $A,\ B,\ C,\ D$ from a rhombus
D) None of the above
Explanation
The correct answer is Option A: $A,\ B,\ C,\ D$ are concylic.
A detailed explanation for this question is being prepared.