Let \(P\) be a variable point on a circle \(C\) and \(Q\) be a fixed point outside \(C\). If \(R\) is the midpoint of the line segment \(P Q\), then locus of \(R\) is
(A) a circle
(B) a circle and a pair of straight lines
(C) a rectangular hyperbola
(D) a pair of sraight lines
Ans: (A)