A vessel is considered to be “restricted in her ability to maneuver” under the Rules if she is （）.

A.During the day，she would display three balls in a vertical line
B.If making way，she would show masthead lights at night
C.If at anchor，she need not show anchor lights while displaying identifying lights
D.Her fog signal would consist of a rapid ringing of a bell for five seconds every minute

A.down by the head
B.down by the stern
C.inclined due to off-center weight
D.inclined due to wind

A.she can be observed by radar
B.she can be observed visually from the other vessel
C.she can be plotted on radar well enough to determine her heading
D.her fog signal can be heard