They two free tickets to Canada.Otherwise，they’d never have been able to afford to go.
A. had got
B. got
C. would have got
D. get
网友回答
A. had got
B. got
C. would have got
D. get
解析：B
解析 otherwise相当于一个虚拟条件，是对真实情况的相反的假设，由此我们可以推断出：题干中otherwise前面的内容应是真实的，故空白处应该是陈述语气；再结合句意可知，此处讲的是过去的事情，因此用一般过去时。