In "Having spent all day reading I was very exhausted" the -ing form. gives information

外语类 已帮助 人

In "Having spent all day reading, I was very exhausted", the -ing form. gives information about ______.

A.time

B.reason

C.purpose

D.result

请帮忙给出正确答案和分析,谢谢!

热搜:在公制与英制换算中,1in等于()。