Which three Sandbox types can be used to accomplish this?

Universal Containers (UC) is currently live with Sales Cloud and in the process of implementing Service Cloud. UC wants to create a sandbox to test its Service Cloud implementation with real Sales Cloud data.

Which three Sandbox types can be used to accomplish this?
A . Partial Copy Sandbox
B . Administrator Sandbox
C . Developer Pro Sandbox
D . Full Sandbox

Answer: A,C,D