问题：

[单选] During startup, the router displays the following error message: boot: cannot open "flash:" What will the router do next（）。

A . Because of damaged flash memory, the router will fail the POST.
B . It will attempt to locate the IOS from a TFTP server. If this fails, it will initiate the setup dialog.
C . It will attempt to locate the IOS from a TFTP server. If this fails, it will load a limited IOS from ROM.
D . It will attempt to locate the configuration file from a TFTP server. If this fails, it will initiate the setup dialog.
E . It will attempt to locate the configuration file from a TFTP server. If this fails, it will load a limited configuration from ROM.