When creating a Wrapper stage, which three tasks need to be done? (Select three)

A.
Code and compile the C/C++ Wrapper source code.

B.
Specify the command to be executed by the Wrapper.

C.
Specify how Wrapper property values are to be converted.

D.
Specify whether input rows are to be processed automatically or manually.

E.
Create Table Definitions that define the Wrapper’s input and output columns.

Explanation:
http://pic.dhe.ibm.com/infocenter/iisinfsv/v8r5/index.jsp?topic=%2Fcom.ibm.swg.im.iis.
ds.parjob.adref.doc%2Ftopics%2Ft_deeadvrf_Defining_Wrapped_Stages.html