You are underway in the North Sea on course 328°T when you sight a buoy broad on your port bow. You are in the best navigable water if the buoy __________.

A
has a topmark of two cones with points down
B
is a western quadrant buoy
C
is painted yellow on the top half and black on the bottom
D
exhibits a light with the characteristic of VQ(3)5s
E