What Is the Traditional View of Marketing

What is the traditional view of marketing?

A) Firms should just focus on production because if the products are good then they will automatically sell.
B) Firms should just focus on production and selling because marketing occurs as a part of the selling process.
C) Firms should have a proper marketing team that can increase consumers' awareness of their products and rouse their interest in them.
D) Firms should price their products as low as possible so that marketing them becomes easy.
E) Firms should remember that promotion is the most important of the four Ps.