What Is a Downside to Adopting a Heavy-User-Focused Segmentation Plan

Multiple Choice

What is a downside to adopting a heavy-user-focused segmentation plan? 

A)  Heavy users usually form less than one percent of users by volume. 
B)  Heavy users may differ significantly from average or infrequent users in terms of their motivations to consume, their approach to the brand, or their image of the brand. 
C)  Heavy users are a costly target segment and much can be spent in getting their business merely to have it disappear just as quickly as it was won. 
D)  Heavy users have little knowledge of the brand and negligible social influence.