miss the early train, we should start right now.
A. So as to not
B. To not
C. In order to not
D. In order not to
网友回答
A. So as to not
B. To not
C. In order to not
(答案→)D. In order not to
解析：考查动词不定式用法。不定式的否定式是在不定式前面直接加Not;so as to 是不能放在句首的；in order to是可以放在句首的。句意：为了不错过早班火车，我们应该立刻出发。故D正确。