Your team currently has code hosted in a Github repository. You have to connect an Azure Board Project with a GitHub.com repository. 
Which of the following groups should you be a member of in your Azure DevOps project to connect to GitHub from Azure Boards? Choose two answers from the options given below. Each answer presents part of the solution.

Answer options:

A.Reader Group
B.Project Administrator Group
C.Project’s Contributor Group
D.GitHub Group

Answer – B and C 
You have to be either a member of the Project Administrator and the project Contributor group. 
This is also given in the Microsoft documentation. 

Since this is clearly mentioned in the Microsoft documentation, all other options are incorrect. 
For more information on connecting to GitHub from Azure Boards, please refer to the following link- 

https://docs.microsoft.com/en-us/azure/devops/boards/github/connect-to-github?view=azure-devops