Which two approaches could an architect suggest to an administrator that would assist the developers in their development process?

Universal Containers’ developers are working on a Visualforce page in a sandbox when an administrator adds a new field to Production.

Which two approaches could an architect suggest to an administrator that would assist the developers in their development process? Choose 2 answers
A . Use a Change Set to deploy the changes from Production to the sandbox, to ensure that changes made in production are reflected in the sandbox that the developers are working on
B. Use Salesforce-to-Salesforce to deploy the changes from Production to the sandbox, to ensure that changes made in production are reflected in the sandbox that the developers are working on
C. Manually replicate the same changes in the developer sandbox to ensure that changes made in production are reflected in the sandbox that the developers are working on
D. Refresh the developer sandbox to ensure that changes made in production are reflected in the sandbox that the developers are working on

Answer: A,D