（单选题）
You administer an Oracle Database 10g and a third-party database. You use Recovery Manager （RMAN） to perform backup and recovery operations. You have configured a recovery catalog to act as an RMAN repository. To which of the following databases can you NOT connect using the RMAN CONNECT command？（）
A target database
B auxiliary database
C third-party database
D recovery catalog database
正确答案
答案解析
略
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