Security question
I Have forgotten my security questions , and my account is locked right now
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Forgot answers to your security questions? All about Apple ID security questions
Why do I see the message "This Apple ID has been disabled for security reasons” when I enter my password?
This message means that someone was unable to sign in to this account multiple times. The Apple ID system will disable the account to prevent unauthorized people from gaining access to your information. You'll need to follow the instructions on My Apple ID to reset your password.
copied from Apple ID FAQ