What Is the Function of a Data Scientist

What is the function of a data scientist?

A) To collect large, complex data sets, including structured and unstructured data, which cannot be analyzed using traditional database methods and tools
B) To process and manage algorithms across many machines in a computing environment
C) To focus on forecasting future trends and produce insights using sophisticated quantitative methods, including statistics, descriptive and predictive data mining, simulation, and optimization
D) To extract knowledge from data by performing statistical analysis, data mining, and advanced analytics on big data to identify trends, market changes, and other relevant information