Your network contains a server that has Microsoft SharePoint Foundation 2010 installed. You create a new SharePoint site named Site1. You have a group named Group1. You need to grant Group1 access to Site1.
Group1 must have the following permissions:
Add Items
Edit Items
Approve Items

The solution must minimize the number of permissions assigned to Group1.
Which permission level should you assign to Group1?

A.
Contribute

B.
Design

C.
Full Control

D.
Read