Given the following LSP configuration, which statement is true?（）label-switched-path lsp-xyz { to 10.200.1.1; primary path1; secondary path2; secondary path3; no-cspf; } path path1 { 10.200.10.1 strict; } path path2 { 10.200.20.1 strict; } path path3 { 10.200.30.1 loose; }

A、The router will use path1 when it is available and stable.

B、The router will use path3 when it is available and stable.

C、The router will attempt to establish path2 only when path1 and path3 are down.

D、The router will attempt to establish path1 only when path2 and path3 are down.

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