Why we need to conduct quality control?

Question $12$ options:

A$.$ Because as communicators, we cannot afford to make mistakes in the production and dissemination of our tactics.

B$.$ Because as communicators, we all have blind spots and can use an approval process to avoid making mistakes.

C$.$ A & B$.$

D$.$ Because during the quality control process, we outline the publics, purpose and messages for each tactic, which helps us to check if an of the tactic is $$off strategy$.$