In Which Type of Electoral System Are Attempts to Increase

In which type of electoral system are attempts to increase the number of women holding office the most effective?

A) in electoral systems where the emphasis is on gender parity and woman empowerment
B) in electoral systems where decision making about nominations and party representation occurs at levels higher than the local riding
C) in electoral systems where nominations occur within the local riding
D) in electoral systems found in larger cities as opposed to small towns