Answer: B) open the gift in private
Explanation:
One of the advantages of globalizaton is that we get to learn about the customs of different societies so that we may appreciate and respect them.
In the above scenario, Brandon should open the gift in private because it is a norm in Japan that when a gift is given to you in the presence of people, it should be opened in private.
This is to avoid embarrassment in case the gift is not up to standard. It also helps to avoid comparison in the case of multiple gifts especially when given to people of different status.