How can we modify what data is shown in each row of the Alfresco Share document library, using the supported extension points?

How can we modify what data is shown in each row of the Alfresco Share document library, using the supported extension points?
A . Define and use a new metadata template in share-config-custom.xml
B . Customize the FreeMarket template that is used to render the document library
C . Update the JavaScript used to create the document library using the YUI libraries.
D . Clone all the document library components, and make the required changes.

Answer: C