What three types of links are supported by the Lookup Stage? (Select three)

A.
A reference link

B.
A single input link

C.
A single output link

D.
Multiple Input Links

E.
Multiple reject links

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