How can an interested lead that comes to Lenoxsoft's website and fills out the Contact Us form receive a follow-up email each time he or she submits?

How can an interested lead that comes to Lenoxsoft’s website and fills out the Contact Us form receive a follow-up email each time he or she submits?

How can an interested lead that comes to Lenoxsoft’s website and fills out the Contact Us form receive a follow-up email each time he or she submits?
A . Send using the form’s completion actions.
B . Send using an automation rule
C . Use a dynamic list to use as a recipient list on an email send.
D . Send using a segmentation rule.

Answer: A