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 ‘PARENT.’
C . Leave the ‘Parent Attribute’ relation field blank
D . Select the ‘Parent Attribute’ Checkbox

Answer: D

Explanation:

To designate a Salesforce B2B Commerce Attribute record as a Parent Attribute, you must select the Parent Attribute checkbox. This will allow you to create child attributes that are related to the parent attribute.

Reference:

Salesforce B2B Commerce Administrator Trailhead module:

https://trailhead.salesforce.com/content/learn/modules/b2b-commerce-basics