Based on the terms Miguel uses to describe himself, he is most likely to have a directive communication style. (Option A)
Explanation: The directive communication style denotes confidence on the person who posses it and judging by Miguel's characteristics (Outgoing, disciplined, serious and formal), he definitely is that way.
For Miguel to convince the client to buy his product, it is important to talk clearly about the products, it gives confidence and reduces confusion. In addition to that, he should find a way for always get the attention of the customer, keep the presentation simple and in a specific way to talk, always check for understanding and most importantly, follow up the needs of the customer.
