Which AV pair solves the problem?

An engineer is troubleshooting a custom AV pair that was created by a client on an external authentication server to map a read-only role for a specific security domain.

Which AV pair solves the problem?
A . shell:domains=Security_Domain_1//Read_Role_1|Read_Role_2
B . shell:domains=Security_Domain_1/Write_Role_1|Read_Role_2
C . shell=Security_Domain_1/Read_Role_1|Read_Role_2
D . shell:domains=Security_Domain_1/Read_Role_1|Read_Role_2

Answer: A