问题
单项选择题
______the traffic jam, we would have caught our train.
A．But for
B．Because of
C．By means of
D．Due to
答案
参考答案：A
解析：题句是一个虚拟语气句，能够引导虚拟语气的只有But for“要不是”，如：But for your help，we wouldn't have finished the work on time．要不是你的帮助，我们就不能按时完成这项工作了。Because of“由于，因为”；By means of“用，依靠”；Due to“应归于，由于”。