Given the following LSP configuration， which statement is true？（） label-switched-pathlsp-xyz {  to 10.2000.1.1；  primarypath1；  secondarypath2；  secondarypath3；  no-cspf；  }  pathpath1 {  10.200.10.1 strict；  }  pathpath2 {  10.200.20.1 strict；  }  pathpath3 {  10.200.30.1loose  }

• 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.