【单选题】
A system is experiencing packet routing problems，when the administrator runs ’netstat -nr’ the following default routes are displayed：<br /> default165.253.251.1UG51601304 en8--<br /> default192.168.50.1UGH01590450 en4--  <br /> Assuming the first route is correct，how can the administrator remove the incorrect default route？（）
A、route delete default 192.168.50.1
B、access smit with the route_remove shortcut
C、chdev -l inet0 -a delroute=net，-hopcount，0，，192.168.50.1
D、flush the routing table from the console and configuring the 165.253.251.1 route
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