What is the correct order in the Smart Campaign flow setup?

A marketing and sales organization agrees on a service level agreement for prospects who request demos through Marketo landing pages. The marketing department is tasked with building a Smart Campaign that sends an immediate auto-reply email to the prospect, and 30 minutes afterwards, sends an email notification to the lead owner.

What is the correct order in the Smart Campaign flow setup?
A . Send Alert > Wait 30 Minutes > Send Email
B . Send Email > Wait 30 Minutes > Send Alert
C . Send Alert > Wait 30 Minutes > Send Alert
D . Send Email > Wait 30 Minutes > Send Email

Answer: B

Explanation:

Reference: https://docs.marketo.com/display/public/DOCS/Email+Auto-Response