–It’s raining heavily. Let’s stand under that big tree.–. It’s very dangerous to do so in

–It’s raining heavily. Let’s stand under that big tree.
– . It’s very dangerous to do so in such weather.
A. We don’t have to
B. Let’s go
C. All right
D. We’d better not

A. We don’t have toB. Let’s goC. All right(答案→)D. We’d better not解析：We don’t have to我们不需要；Let’s go让我们去吧；All righ好吧；We’d better not我们最好不。句意：雨下得很大，让我们站到那棵大树下面吧!联系下文，在这种天气里这样做很危险。可知选D最符合语境。

我明天再问问老师，叫他解释下这个问题