What should the consultant recommend as the first line of defense before republishing the form?

A customer notices a large increase in leads created overnight which exceed the daily limits. Upon examination, the leads appear to be created by bots. The Customer uses a standard web-to-lead from without safeguards in place to limit spamon forms.

What should the consultant recommend as the first line of defense before republishing the form?
A . Select Require reCAPTCHA Verification in Web-to-Lead settings.
B.Use a custom Web-to-Lead alternative with built-in protection.
C.Use an AppExchange package to add a honeypot field.
D.Engage the web services team to write custom CSS for the form.

Answer: A