Which data flow transformation should you use?

You are designing a SQL Server Integration Services(SSIS) data flow to load sales transactions from asource
system into a data warehouse hosted on SQL Azure. 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.
Source Assistant

B.
Audit

C.
Destination Assistant

D.
Script Component

Explanation:
According to these references, this answer looks correct.
Reference: http://msdn.microsoft.com/en-us/library/ms137640.aspx
Reference: http://msdn.microsoft.com/en-us/library/ms141150.aspx
Reference: http://msdn.microsoft.com/en-us/library/ff929138.aspx
Reference: http://msdn.microsoft.com/en-us/library/ff929116.aspx