27. A vessel is showing three lights in a vertical line, upper andlower red and the middle one white, she also shows two white mastlights, side lights and stern lights. Which of the following answersbest describes this vessel?
(A) A vessel restricted in her ability to manoeuvre, underway andmaking way through the water.
(B) A vessel restricted in her ability to manoeuvre, underway butunknown if making way through the water or not.
(C) A vessel not under command and still moving through the water.
(D) A vessel engaged in dredging, underway but making no waythrough the water.