阅读下面短文，从短文后各题所给的四个选项（A、B、C 和 D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
A Heroic Driver
Larry works with Transport Drivers. Inc. One morning in 2009. Larry was 41
along 165 north after delivering to one of his 42 . suddenly, he saw a car with its bright lights on. 43 he got closer, he found 44 vehicle upside down on the road. One more look and he noticed 45 shooting out from under the 46 vehicle. Larry pulled over, set the brake and 47 the fire extinguisher (灭火器). Two good bursts from the extinguisher and the fire was put out.
The man who had his bright lights on 48 and told Larry he had 49 an emergency call. They 50 heard a woman’s voice coming from the wrecked (毁坏的) vehicle. 51 the vehicle, they saw that a woman was trying to get out of the broken window. They told her to stay 52 until the emergency personnel arrived, 53 she thought the car was going to 54 . Larry told her that he had already put out the fire and she should not move 55 she injured her neck.
Once fire and emergency people arrive, Larry and the other man 56 and let them go to work. Then, Larry asked the 57 if he was needed or 58 to go. They let him and the other man go.
One thing is 59 —Larry went above and beyond the call of duty by getting so close to the burning vehicle! His 60 most likely saved the woman’s life.
50（）
A.then
B.again
C.finally
D.even
说明：①各项工作每周完成量相等。 ②光缆接续在敷设光缆完成60％工作量时开始。 ③埋设标石在敷设光缆完成60％工作量时开始。 ④中继段测试必须在光缆接续全部完成后才能开始。 ⑤每周工作七天。 第五周末时各项工作完成的进度累计情况如下：
问题：