小题1:A
小题1:D
小题1:A
小题1:C
小题1:B
小题1:联系下文As a single parent, I tried to do my best to talk to him.描述，可知他在父亲死后变得沉默孤独了，故选A。
小题1:根据第二段“ I want to talk to you about Karl’s absences(缺席).”描述，推理可知他考试不及格，故选A。
小题1:联系上文I’ve tried everything to get Karl to go back to school and nothing has worked.可知他的母亲也没有什么办法，故选A，关于儿子不知道该如何做。
小题1:根据第三段“ Mum, remember that call from the head teacher last year?” I nodded. “That was me. I thought I’d play a joke but I heard what you said,描述，可知前文的电话是卡尔自己打的，故选C
小题1:根据but I heard what you said, It really hit me how much I was hurting you.That’s when I knew I had to make you proud.”可知是母亲对孩子的爱，改变了自己的儿子，故选B，母爱对青少年的生活是很重要的