单选题A vessel is carrying three lights in a vertical line. The highest and lowest of these are red and the middle light is white. Which statement is always TRUE? （）ADuring the day，she would display three balls in a vertical lineBIf making way，she would show masthead lights at nightCIf at anchor，she need not show anchor lights while displaying identifying lightsDHer fog signal would consist of a rapid ringing of a bell for five seconds every minute
单选题
A vessel is carrying three lights in a vertical line. The highest and lowest of these are red and the middle light is white. Which statement is always TRUE? （）
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
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