Which statement concerning illustration D010NG is correct? (Soundings and heights are in meters)

A
Maury Lightship swings about her anchor on a circle with a 21-meter diameter.
B
The sunken wreck southwest of Beito Island shows the hull or superstructure above the sounding datum.
C
There is a 12-meter deep hole inside the 5-meter curve just west of Beito Island.
D
The position of the lightship is indicated by the center of the star on the symbol's mast.
E