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.