In Core HR, how can an organization capture all the recruitment activities for the current financial year within a paren

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In Core HR, how can an organization capture all the recruitment activities for the current financial year within a parent recruitment activity?

A. Create the parent recruitment activity. While creating the child recruitment activities specify the parent recruitment activity in the 'Within Recruitment Activity1 section.
B. Attach multiple recruitment activities to the same requisition.
C. Attach multiple recruitment activities to the same vacancy.
D. While creating the child/parent recruitment activities check the primary flag for the parent recruitment activity. E. A recruitment activity cannot be linked to any other recruitment activity.