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