（单选题）
You work as a database administrator for Supportcenter.cn. When you tried to connect to the database， you received the following error： ERROR： ORA-12541：TNS：no_listener You found that the listener is not running on the server， so you issued the following command in the Listener Control utility to start the listener. lsnrctl>START What statement is true？（）
AIt would attempt to start the default listener
BIt would start the most recently created listener.
CIt would display an error with a message asking for the listener name to be specified.
DIt would show you a list of listeners and prompts for the listener name that you want to start.
正确答案
答案解析
略
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