When manage guest accounts, you need to create guest account policy and set account creation method. Which of the following descriptions is incorrect for account creation?
A . When you add accounts individually, you can select individual creation.
B . If the number of users is large, you can create them in batches.
C . If the number of users is large, you can choose database synchronization.
D . Self-registration can be used to facilitate management and enhance the user experience.