Who among the following tennis players was disqualified from the US open 2020 after hitting an official with the ball?

Who among the following tennis players was disqualified from the US op

1.	Who among the following tennis players was disqualified from the US open 2020 after hitting an official with the ball?
A.	Nick Kyrgios
B.	Tim Henman
C.	Novak Djokovic
D.	Roger Federer
Answer» D. Roger Federer