The reason ——he didn′t come was ——he was ill

The reason ——he didn′t come was ——he was ill The reason ＿he didn't come was ＿ he was ill .A、why ,that B、 The reason ( ) he didn’t come was ( ) he was terribly ill. the reason ( ) he din't come was ( ) he was ill The reason why be didn't come was __ he was ill The reason why he didn,t come was（ The reason why he didn't go to school was that he was ill.为什 The reason why he didn't go to school is that he was ill.是什么 He didn't come to school ( )he was ill He was ill.That's why he didn't come he didn't come yesterday because he was ill. He didn't come here( )he was ill(因为)