In Which Scenario Would Click Paths Bemost Helpful to a Marketer

In which scenario would click paths bemost helpful to a marketer?

A) The marketer wants to know how many people who click on the ad complete a purchase.
B) A company wants to streamline the process from first click to purchase.
C) The marketing department wants to find out how many people leave a page after clicking on an ad.
D) The social media plan calls for an analysis of the demographics of those who are reacting to the company's marketing efforts.
E) The firm wants to understand the customer's entire journey from social medial platform to purchase.