单选题It may be found that，in certain circumstances，Radar Beacon can cause unwanted interference particularly（）.Aat close rangeBat end on situationCat head on situationDat crossing situation
单选题
It may be found that，in certain circumstances，Radar Beacon can cause unwanted interference particularly（）.
A
at close range
B
at end on situation
C
at head on situation
D
at crossing situation
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