Question

Jennifer is always absent from school, ________ I suppose is why she is blamed now and then.

A．which B．who

C．that D．what

 

Answer 1

A

【解析】A 考察定语从句。逗号后面的句子是非限制性定语从句，修饰整个这句话的内容，在从句中做主语，故A正确。I suppose是插入语，可以省略。