Choose the best answer to fill in the blank.I regretted _______ her that letter.

A. Having gone out to play his mother's permission, he asked his mother’s permission.

B. Asking his mother's permission, he had gone out to play.

C. Asking his mother's permission, he went out to play.

D. Having asked his mother's permission, he went out to play.

A. Not to having drunk too much, he drove home himself

B. Not having driven home himself, he drank too much.

C. Having drunk too much, he didn’t drive home himself.

D. Drinking too much, he hadn’t driven home himself.

A. Practicing a lot, Zoe was sure of her winning in the competition.

B. To have practiced a lot, Zoe was sure of her winning in the competition.

C. Having been sure of her winning in the competition, Zoe practiced a lot.

D. Having practiced a lot, Zoe was sure of her winning in the competition

A. Having not seen him for ages, I hadn’t recognizes him.

B. Having not seen him for ages, I didn’t recognize him.

C. Having recognized him, I didn’t see him for ages.

D. Not seeing him for ages, I didn’t recognize him.

A. Not having slept for two days, she wasn’t able to concentrate.

B. Not be able to concentrate, she had not slept for two days.

C. Not sleeping for two days, she wasn’t able to concentrate.

D. Not having slept for two days, she hadn’t been able to concentrate.

A. Not riding a horse for a long time, I find it very difficult to keep in the saddle.

B. Not riding a horse for a long time, I found it very difficult to keep in the saddle.

C. Not having ridden a horse for a long time, I found it very difficult to keep in the saddle.

D. Not to have ridden a horse for a long time, I had found it very difficult to keep in the saddle.