How could the sales rep remotely and immediately begin the onboarding nurture process for this new customer?

A Salesforce Engage user is on their way to a customer offsite. The user just had a conference call on their smartphone and closed a new customer.

How could the sales rep remotely and immediately begin the onboarding nurture process for this new customer?
A . Use the Salesforce Mobile App "Send an Email" button.
B. Use the Salesforce "Send Pardot Email" button.
C. Use the Salesforce "Add to Nurture" button.
D. Use the Salesforce Mobile App "Add to Nurture" button.

Answer: C