CHOOSE THE BEST ANSWER A, B, C OR D

65. The driver in front stopped so suddently. Therefore, the accident happenedA. If the driver in front hadn’t stopped so suddently, the accident wouldn’t have happenedB. If the driver in front didn’t stop so suddently, the accident wouldn’t happenC. If the driver in front hadn’t stopped so suddently, the accident would have D. If the driver in front hadn’t stopped so suddently and the accident would have happened