问题
选择题
Jenny is always absent from school, ______ I suppose is why she is criticized now and then.
A．which
B．who
C．that
D．what
答案
答案：A
题目分析：考查非限制性定语从句：詹妮经常上学缺席，这件事是她有时被批评的原因。首先，判定是非限制性定语从句。不能用That，其次，指代的是前面的事，所以选A.