The correct answer is: B. mistakes
A mistake is an error in judgment or action caused by poor reasoning or carelessness. It is a less serious offense than a felony or misdemeanor.
A felony is a serious crime, typically one punishable by imprisonment for more than one year or death.
A misdemeanor is a crime that is less serious than a felony and is typically punishable by a fine, imprisonment for up to one year, or both.
A misdemeanour is a minor crime, typically punishable by a fine or imprisonment for up to one year.
In the given sentence, the word “mistakes” is the most appropriate word to use because it is the least serious of the four options. Ashish is a good sportsman despite the fact that he has made some mistakes. These mistakes may have been due to poor judgment or carelessness, but they do not reflect on his overall character or ability as a sportsman.