A lead is deemed sales ready. How can this be communicated to sales?

A. Lead Status

B. Send a marketing email

C. Send the lead an alert

D. Add to Engagement Program

I was thinking about C but I was really confused with the wording. Please check and suggest the correct answer.

Q: Role of CEO, Marketing, Sales, CRM

CEO : Company Strategy

Marketing : Demand Generation

CRM: Have the past details of the opportunity

Please suggest if the above is correct?