away from school for two weeks I have quite a few lessons to catch up with.A. Having be

问题补充：

away from school for two weeks, I have quite a few lessons to catch up with.

A. Having been

B. To be

C. Been

D. Being

答案：

(答案→)A. Having been

B. To be

C. Been

D. Being

解析：A 考察非谓语动词。分析句子结构可知，逗号前面是非谓语动词做原因状语，且与逻辑主语是主动关系，由此排除BC项，空格处的动作是在谓语动词之前就发生的，因此使用现在分词的完成式。故A正确。