What should the Developer verify to identify the issue?

Universal Containers recently completed updates to their storefront shopping cart page. A problem has been discovered since the update. Users are no longer able to submit coupon codes on this page. Additionally, authenticated users who try to add a coupon are logged out.

The following processing code is found in the Cart.js controller file:

What should the Developer verify to identify the issue?
A . The CSRF cartridge is included in the site’s cartridge path.
B . The form group has the secure attribute set to true.
C . The CSRF token is present in the form and is being submitted in the request.
D . The CSRF settings in Business Manager are properly configured.

Answer: C