The correct answer is (a) Philippines.
Pia Alonzo Wurtzbach is a Filipino-German actress, model, and beauty queen who was crowned Miss Universe 2015. She is the third Filipina to win the title, after Gloria Diaz in 1969 and Margarita Moran in 1973.
Wurtzbach was born in Stuttgart, Germany, to a German father and a Filipino mother. She moved to the Philippines when she was 10 years old. She started modeling at the age of 12 and has appeared in numerous commercials and television shows.
In 2015, Wurtzbach competed in the Binibining Pilipinas pageant, where she was crowned Miss Universe Philippines. She then represented the Philippines at the Miss Universe 2015 pageant, which was held in Las Vegas, Nevada. She won the competition, becoming the third Filipina to be crowned Miss Universe.
As Miss Universe, Wurtzbach traveled the world promoting various causes, including HIV/AIDS awareness and education. She also worked to empower women and girls around the world.
Wurtzbach’s reign as Miss Universe ended in January 2017. She is currently pursuing a career in acting and modeling.
The other options are incorrect because they do not represent the country of origin of Pia Alonzo Wurtzbach.