Which Data Flow transformation should you use?

You are designing a SQL Server Integration Services (SSIS) data flow to load sales
transactions from a source system into a data warehouse hosted on Windows Azure SQL
Database. One of the columns in the data source is named ProductCode.
Some of the data to be loaded will reference products that need special processing logic in
the data flow.
You need to enable separate processing streams for a subset of rows based on the source
product code.
Which Data Flow transformation should you use?

A.
Script Component

B.
Audit

C.
Destination Assistant

D.
Data Conversion