Answer:
The correct answer is the option B: awareness; engagement.
Step-by-step explanation:
On one hand, awareness is the concept of achieving the customer's attention by creating media that tends to like them through the interaction process, for example the use of the most well known online social medias.
On the other hand, engagement is the term that refers to the situation where the customer initiate a relationship with the brand through its social media or web in order to generate a support to the consumer's activities in that media.