Privately maintained aids to navigation included in the Light List __________.

A
are painted white and must use a white light if lighted
B
must be conspicuously marked by a signboard with the words "PRIVATE AID"
C
must conform to the standards of the U.S. Aids to Navigation System
D
are not permitted in or along first-class waterways and may be authorized for second- and third-class waterways
E