Whom did Carolina Marin defeat in the women’s single’s final of Malaysian Open Badminton Tournament 2015?

The correct answer is (a). Carolina Marin defeated Saina Nehwal in the women’s single’s final of Malaysian Open Badminton Tournament 2015.

Saina Nehwal is an Indian badminton player. She is the first Indian woman to win a medal at the Olympics, World Championships, and World Junior Championships. She is also the first Indian woman to be ranked world No. 1.

Li Xuerui is a Chinese badminton player. She is the 2012 Olympic gold medalist, 2013 World Champion, and 2014 Asian Games gold medalist. She is also the former world No. 1.

Luo Ying is a Chinese badminton player. She is the 2014 Asian Games gold medalist and 2015 World Championships silver medalist. She is also the former world No. 1 in women’s doubles.

In the women’s single’s final of Malaysian Open Badminton Tournament 2015, Carolina Marin defeated Saina Nehwal in straight sets (21-19, 21-17).