Which client Tool is used to export environment variables from a Project?

A.
InfoSphere DataStage Director

B.
InfoSphere DataStage Manager

C.
InfoSphere DataStage Designer

D.
InfoSphere DataStage Administrator

Explanation:
https://www-
01.ibm.com/support/knowledgecenter/SSZJPZ_11.3.0/com.ibm.swg.im.iis.productization.iisinfsv.m
igrate.doc/topics/a_merging_ds_settings_files.html