How can they ensure that in the workflow the same user cannot verify the same batch twice?

A company wants a two stage verification process where the same user cannot verify the same batch twice. There will be two verify in the Datacap application. The first verify step can be completed by anyone; the second step must be completed by a different user.

How can they ensure that in the workflow the same user cannot verify the same batch twice?
A . Queue by User in the first Verify task.
B . Queue by Other User in the second Verify task.
C . Queue by Other Station in the second Verify task.
D . Queue by Other User and Other Station in the first Verify task.

Answer: B

Explanation:

Queue by Other User: The user that stored the batch cannot open the batch.

References: https://www.ibm.com/support/knowledgecenter/en/SSZRWV_9.0.0/com.ibm.dc.admin.doc/ dcaad007.htm