[单项选择]The rootvg disk on a system failed and was replaced. The system was restored using the latest mksysb. However, no files in the /home filesystem were restored. What is the likely cause of this problem?() A. The new drive is too small to hold the entire rootvg B. The /home filesystem was not mounted during creation of the mksysb C. The /home stanza in the bosinst.data contained an entry ’restore=no’ D. The /home filesystem was NFS exported to another system during creation of the mksysb