Which among the pair are the winner of the WTA finals title?
Which among the following pairs is the winner of the WTA finals title?
[A]Gabrine Muguruza and Carla Suarez
[B]Martina Hingis and Sania Mirza
[C]Gabrine Muguruza and Sania Mirza
[D]Martina Hingis and Gabrine Muguruza
Martina Hingis and Sania Mirza
The Indo-Swiss pair of Martina Hingis and Sania Mirza have won their ninth title at the WTA finals in Singapore.