to take my English textbook I had to borrow one from a schoolmate.A. ForgetB. To have for

问题补充：

to take my English textbook, I had to borrow one from a schoolmate.

A. Forget

B. To have forgotten

C. Forgotten

D. Having forgotten

答案：

A. Forget

B. To have forgotten

C. Forgotten

(答案→)D. Having forgotten

解析：考察分词用法。I与forget构成主动关系，且忘记带英语书是在谓语动词借书之前，所以使用完成式，故D正确。