题目内容
（请给出正确答案）
[主观题]
The author hopes to have the current situation in sports improved by ______.A．regulating t
The author hopes to have the current situation in sports improved by ______.
A．regulating the relationship between players and referees
B．calling on players to use clean language on the court
C．raising the referees' sense of responsibility
D．changing the attitude of players on the sports field
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