问题
选择题
____________, so he didn’t come to school last week.
A．Though he was ill
B．Being ill
C．Having been ill
D．He was ill
答案
D
题目分析：句意：他生病了，所以他上周没能来上学。因为这里有并列连词so，所以逗号前的句子不需要连词，故排除A，既然是前后是并列句所以逗号前也必须是句子，，选项BC是非谓语动词，故排除它们，故选D。
考点：