如图,P是直线L外一点,A、B、C在直线L上,且PB⊥L,那么下列说法中

如图,P是直线L外一点,ABC在直线L上,且PBL,那么下列说法中不正确的是(    

(A)线段BP的长度叫做点P到直线L的距离   (B)PAPBPC三条线段中,PB最短

(C)PA是点P到直线L的垂线段             (D)线段AB的长是点A到直线PB的距离

 

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