An Alibaba Cloud RDS read-only instance has its data synchronized from the master instance. Which of the following can be performed by the read-only instance from the RDS management console? (Single answer)

An Alibaba Cloud RDS read-only instance has its data synchronized from the master instance. Which of the following can be performed by the read-only instance from the RDS management console? (Single answer)
A . Backup policy configuration and manual backup
B. B. Database creation or deletion
C. Editing its own whitelist
D. Account authorization and account password changing

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Answer: C