Dinosaurs hace completely died out on the earth,never____again. A.to be seen B.being seen答案是A,为什么不选B,请解释一下

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Dinosaurs hace completely died out on the earth,never____again. A.to be seen B.being seen答案是A,为什么不选B,请解释一下
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Dinosaurs hace completely died out on the earth,never____again. A.to be seen B.being seen答案是A,为什么不选B,请解释一下
Dinosaurs hace completely died out on the earth,never____again. A.to be seen B.being seen
答案是A,为什么不选B,请解释一下

Dinosaurs hace completely died out on the earth,never____again. A.to be seen B.being seen答案是A,为什么不选B,请解释一下
本题的意思是恐龙已经完全灭绝了,永远也不能再看到,这里要表示从恐龙死到未来,
而to be seen表示将来,从消失以后到以后都不能看到,是一段时间.而being seen表示现在不能看到了,并不表将来