I believe the answer is: Use multiple password
These days, many hackers have develop a software to extracting our password by trying the potential combinations through algorithm.
Using multiple passwords would substantially extend the time needed for the software to finish since it need to tried huge amount of combination.
Answer: B. Increased human capital increases productivity.
Explanation:
More educated women in developing countries means that they can get better opportunities like a high-skill job or start a business. Options A) and C) are true but not directly related to the question.