Consider a circle with centre $O$. Two chords $AB$ and $CD$ extended intersect at a point $P$ outside the circle. If $\angle AOC = 43^\circ$ and $\angle BPD = 18^\circ$, then the value of $\angle BOD$ is\\
(A) $36^\circ$\\
(B) $29^\circ$\\
(C) $7^\circ$\\
(D) $25^\circ$