If APB and CQD are two parallel lines, then the bisectors of ∠APQ, ∠BPQ, ∠CQP and ∠PQD enclose a
It is given in the question that,
APB and CQD are two parallel lines,
Thus, the bisectors of ∠CQP, ∠APQ, ∠BPQ and ∠PQD enclose a rectangle.
Hence, option C is correct.