The Build-Up Method of Market Segmentation

The build-up method of market segmentation:

A) Considers a market to consist of customers that are all different, so here the task is to find similarities.
B) Adopts the view that the market is considered to consist of customers which are essentially the same, so the task is to identify groups which share particular differences.
C) Considers that the process of market segmentation requires high levels of financial and staff support to be effective.
D) Considers that market segmentation is a building process that takes an organization years to master and perfect.