把3厘米长的线段向两端各延长5米,得到的是一条请选择ABC;J4Y:W7F7F;\5C(t4^6g4@*C*t0T3`5F6z;j8k6l4h7{3J
A、直线4@*C*t0T3`5F6z;j8k6l4h7{3J
B、线段4@*C*t0T3`5F6z;j8k6l4h7{3J
C、射线4@*C*t0T3`5F6z;j8k6l4h7{3J