In _ marketing, the seller engages in the mass production, mass distribution, and mass promotion of one product for all buyers.

In _ marketing, the seller engages in the mass production, mass distribution, and mass promotion of one product for all buyers.

In _ marketing, the seller engages in the mass production, mass distribution, and mass promotion of one product for all buyers.

A.  mass
 B.  group
 C.  general
 D.  segmented
 E.  differentiated