单项选择题

You want to create a role to meet these requirements：
1. The role is to be protected from unauthorized usage.
2. The password of the role is not to be embedded in the application source code or stored in a table.
method would you use to restrict enabling of such roles（）

A.Create the role with external authentication.
B.Create the role as a secure application role.
C.Create the role as a password-protected role.
D.Create a role and use Fine-Grained Access Control （FGAC） to secure the role

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You want to create a role to meet these requirements： 1. The role is to be protected from unauthorized usage. 2. The password of the role is not to be embedded in the application source code or stored in a table. method would you use to restrict enabling of such roles（）

You want to create a role to meet these requirements：
1. The role is to be protected from unauthorized usage.
2. The password of the role is not to be embedded in the application source code or stored in a table.
method would you use to restrict enabling of such roles（）