The football player reactedthe judge’s decision by withdrawing from the match.A on B. to C

问题补充：

The football player reactedthe judge’s decision by withdrawing from the match.

A on B. to C. against D. by

答案：

解析：考查介词用法。由withdraw“退出”可推出此处为“抗议”的意思，react against“反对；反抗”符合句意。