单选
● （64） 可以连续向主机192.168.1.100发送测试数据包，直到按下Ctrl+C中断。
（64）
- A. ping 192.168.1.100 –a
- B. ping 192.168.1.100 –n
- C. ping 192.168.1.100 –t
- D. ping 192.168.1.100 –w
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