In FusionCompute, the following description about deleting a security group is incorrect .
A . Authorization between the security group to be deleted and other security groups does not affect the deletion
B . There are no virtual machines in the security group. If there are virtual machines in the security group, you need to remove the virtual machines from the security group.
C . After the security group is deleted, all the security group rules in the group are deleted at the same time
D . When you delete a security group to which a virtual machine belongs, the other security groups have no effect on the virtual machine.
Answer: C