Which One of the Following Choices Best Describes Why Mohammed

Which one of the following choices best describes why Mohammed Yunus is an example of a constructor?

A) He pioneered a new type of loan that helped impoverished women increase their standard of living.
B) He saw the opportunity to offer impoverished women alternative types of loans and profit off the interest rates.
C) He was able to act as an intermediary between the women workers and the big banks.
D) He put a stop to the exploitation of Bangladeshi women who were being taken advantage of by big banks and intermediaries.