all day I went to bed early.A. Working hardB. Worked hardC. Having worked hardD. To work

问题补充：

all day, I went to bed early.

A. Working hard

B. Worked hard

C. Having worked hard

D. To work hard

答案：

A. Working hard

B. Worked hard

(答案→)C. Having worked hard

D. To work hard

解析：考查非谓语动词用法。根据句意可知work与I构成主动关系，并且是在上床睡觉之前就已经完成了，所以使用现在分词的完成式。句意：经过整天的努力工作以后，我很早就上床睡觉了。