Answer: (D) Competitive analysis
Explanation:
The competitive analysis is the process of understanding the marketing management and also the business strategies for analysis the current potential of the competitors in the market.
The main aim of the competitive analysis is that it helps in providing the key of current sales trends in the market so that all the competitors in the market compared their current status with others.
According to the given question, the Fame-gems is using the competitive analysis method for understanding the business and the marketing strategies.
Therefore, Option (D) is correct answer.