读下图完成下面小题．

四边形ABCD对角线交点是O，下列条件中，不能判定四边形ABCD是平行四边形的是(     )     

根据短文内容及首字母提示完成短文。

    My name is John. I am 13 years old. My b ____is 1st October and I was b____ in Nanjing. I live with my f____ in Shanghai. I have a t____ brother. I am s____ and I w____ glasses. I am good at English. I like playing football. I play football in the football f____. I also like c____ games. In the evening, I do my homework carefully. My father r____ newspapers. My mother c____dinner for us. My brother reads Chinese books every day.