The correct answer is A. to Africa in the winter months
Step-by-step explanation:
The map depicts the way winds move during winter by depicting the movement from one region to another using arrow. In the case of South Asia, the map shows the winds from this place flow to Africa during winter months. In this context, South Asian merchants likely took advantage of these wind patterns to travel faster from Asia to Africa with the purpose of selling and buying products on this continent. In this context, the map helps explains the reason for South Asian merchants to travel to Africa during this period of the year.