Answer: To answer this question, we must first add all the options.
A. She lives in Manhattan.
B. She believes in social service.
C. She is very creative when it comes to cooking.
D. She prefers to use electronic gadgets of only one particular brand.
The correct option is A. She lives in Manhattan.
Explanation:
Demography is the study of people's statistics. Such characteristics as age, race, ethnicity, religion, nationality, location, marital status, etc, are examples of demographic statistics.
Therefore, where Martha lives (Manhattan) is the correct option.