Which handlebars helper expression is used in Salesforce B2B Commerce pages and components to toggle the display of a block of markup?

Which handlebars helper expression is used in Salesforce B2B Commerce pages and components to toggle the display of a block of markup?
A . {{#ifStoreSetting ‘Field__c’}} … {{/ifStoreSetting}}
B . {{#ifSetting ‘Page.cfg}} … {{/ifSetting}}
C . {{#ifConfig ‘Field__c’}} … {{/ifConfig}}
D . {{#ifDisplay ‘Page.cfg’}} … {{/ifDisplay}}

Answer: D