大家好，请教一下 在英语论坛问了一个问题： a. I know that everyone should follow this rule. However, I am afraid that Tom failed to do so. But it seems that you don't want to warn him, I am wondering if there is some reason? b. I know that everyone should follow this rule. However, I am afraid that Tom failed to do so. But it seems that you don't want to warn him; I am wondering if there is some reason? c. I know that everyone should follow this rule. However, I am afraid that Tom failed to do so. But it seems that you don't want to warn him; I am wondering if there is some reason.