Прочитайте текст. Выберите один из предложенных вариантов ответа. Заполните пропуск (A4).
We (A1) ... along this mountain road, miles from anywhere, when we (A2) ... across a trail of tins of food and bottles of water along the road. I looked out of the car window and noticed this camper van about ten metres below us in a field, with its back door hanging off. It (A3) ... off the road. We stopped the car. A young man (A4) ... back up towards the road. He (A5) ... in blood, so we offered to take him to hospital. As we drove off, with him lying on the back seat, he (A6) ... asking about his girlfriend — was she all right? When we (A7) ... the hospital we found that she (A8) ... up and taken to casualty by someone else. Luckily, she was okay — and so was he, eventually.
2) was climbing
3) had been climbed
Речь идет о событии, продолжавшемся в прошлом, значит, требуется форма Past Continious.
Ответ: was climbing.