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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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