How should the Digital Developer update their sandbox using this staging site export file?

Universal Containers created a site export file from staging in the global export directory.

How should the Digital Developer update their sandbox using this staging site export file?
A . Perform a data replication from staging.
B . Use the Site Development > Site Import & Export Business Manager module.
C . Download the site export file and use UX Studio to transfer the data to the sandbox.
D . Use the Site Development > Import & Export Business Manager module.

Answer: B

Explanation:

Reference: https://documentation.b2c.commercecloud.salesforce.com/DOC2/index.jsp?topic=%2Fcom.demandware.dochelp%2FImportExport%2FUsingSiteImportExporttoCopyInstances.html