Which Salesforce orgs cannot create or edit custom permission? (Choose two options)

Answer options:

A.Enterprise Edition
B.Professional Edition
C.Group Edition
D.Developer Edition

Correct Answer: B and C 
Professional and Group editions cannot create or edit custom permissions. 
Option A and D are incorrect because you can create and edit custom permissions in Enterprise and Developer orgs. 
Reference: 

https://help.salesforce.com/articleView?id=custom_perms_detail.htm&type=5