Kaylee McKeown has broken the world record in the women’s 100 metre backstroke, with 57:45 clock time, recently. She represents which country?

Kaylee McKeown has broken the world record in the women’s 100 metre backstroke, with 57:45 clock time, recently. She represents which country?

A. Australia
B. United States
C. Sweden
D. England

Australian swimmer Kaylee McKeown breaks 100-meter backstroke world record. Kaylee McKeown has broken the 100-meter backstroke world record on the second night of the Australian Olympic swim trials.