How should this be performed?

A client wants to use Heroku Connect to sync data from a Heroku Postgres table to a Salesforce org. The client only needs to sync a specific subset of the rows in the table.

How should this be performed?
A . Add a mapping filter to the table when setting up the sync, and select appropriate criteria from the list.
B . Filter the data in the database, and provide an alternative table or view for use in the sync.
C . Use the Heroku Connect Mapping Query Editor, and add filters to the query.
D . Place Sharing Rules on the records, and restrict visibility to only those rows that are needed.

Answer: B

Explanation:

https://devcenterherokucom/artJcles/heroku-connect-faq#can-j-use-sharJng-rules-to-restrict-record-Visibility