单项选择题

下列读取PING一次网关的配置正确的命令是()

A.for /f "tokens=13" %%I in ('find "Default Gateway" ipconfig.txt') do set GatewayIP=%%I
B.ipconfig /all>ipconfig.txt
C.cscript %windir%\system32\inetsrv\fcgiconfig.js -add -section:"PHP" ^-extension:php -path:"C:\PHP\php-cgi.exe
D.ping %GatewayIP% -n 1>nul

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