Read the given statements carefully and answer the question.
Statement:
A leading tennis star who faced media after failing a dope test said, "I don't want to end my career this way. I hope I will be given another chance to play this game. I let the sport down."
Which of the following is true according to the given statement?

A

He was challenging the outcome of the dope test.

B

He was confident that he was right and would continue to play.

C

He had admitted to testing positive in dope test.

D

The sport let him down.