Any alteration of course and／or speed to avoid collision shall，if the circumstances of the

Any alteration of course and/or speed to avoid collision shall，if the circumstances of the case admit，()to another vessel observing visually or by radar.

A.Be large enough to be readily apparent

B.Be a succession of small alterations

C.Be with due regard to the power and speed of the vessel

D.Leave sufficient room for the other vessel to take action

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