that is ---- he is late for school.AwhatBwhyCwhenDwhere

题目

that is ---- he is late for school.AwhatBwhyCwhenDwhere
咋做啊

答案

哈,答案是B—WHY..
that is {why}he is late for school.
意思是{这是他的原因,所以上学才迟到了.}