To correctly add a link to the "My Account" page in Salesforce B2C Commerce, the code must dynamically generate the URL and properly localize the link text based on the user's locale. The best choice is option A: <a href="${URLUtils.url('Account-Show')}">${Resource.msg('myaccount','account',request.locale())}</a>. This snippet uses URLUtils.url, a method that generates a fully qualified URL to a specified route (in this case, 'Account-Show' which typically corresponds to the My Account page). It also uses Resource.msg to fetch the localized string for 'myaccount' under the 'account' category, ensuring the link text is localized according to the current request's locale. This approach adheres to best practices for handling URLs and localization in B2C Commerce.