You need to ensure that users can connect to Microsoft Office Outlook Web Access (OWA) from the Internet by using the URL: https://owa.contoso.com/exchange.
Which record should you add to the external DNS zone?

A.
a host record for OWA pointing to 10.0.0.2

B.
a host record for OWA pointing to 131.107.1.201

C.
a host record for Server3 pointing to 10.0.0.3

D.
a host record for Server3 pointing to 131.107.1.200