题干
—For weeks after the crash, divers had searched accessible areas ________ for the body of the Indian man who was a Concordia waiter.
—Yes, they did their best and were not to blame for the unfortunate result.
—Yes, they did their best and were not to blame for the unfortunate result.
| A．in reward | B．in trouble |
| C．in vain | D．in reality |
答案(点此获取答案解析）
