单选题（） is a circular traffic lane used at junctions of several routes，within which traffic moves counterclockwise around a separation point or zone.ATraffic LaneBRoundaboutCInshore Traffic ZoneDTwo-way Route
单选题
（） is a circular traffic lane used at junctions of several routes，within which traffic moves counterclockwise around a separation point or zone.
A
Traffic Lane
B
Roundabout
C
Inshore Traffic Zone
D
Two-way Route
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