How should a Salesforce B2B Commerce Attribute record be designated as a Parent Attribute?

How should a Salesforce B2B Commerce Attribute record be designated as a Parent Attribute?
A . Define the ‘Child Attribute’ relation field
B . Prefix the Attribute name with ‘PAREN
C . ‘
D . Leave the ‘Parent Attribute’ relation field blank
E . Select the ‘Parent Attribute’ Checkbox

Answer: C

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