What Happens During the Market Maturity Stage

What happens during the market maturity stage?

A) Sales promotion may be targeted at channel members to get them interested in selling the new product.
B) Mass selling becomes more economical.
C) Business products require less aggressive personal selling.
D) Mass selling and sales promotion may dominate the promotion blends of consumer products firms.
E) The main job is to persuade customers to buy,and keep buying,the company's product.