He gazed at the mushroom fortress with astonishment as it loomed indistinctly but grandly through a morning.

He gazed at the mushroom fortress with astonishment as it loomed indistinctly but grandly through a morning.

A.这座像雨后春笋般一下子冒出来的堡垒在晨雾中影影绰绰，但傲然地出现，他凝视着，不胜惊讶。

B.这座突然冒出来的堡垒，隐约傲然地出现在晨雾中，他凝视着，不胜惊讶。

C.这座突然冒出来的堡垒在晨雾中影影绰绰，但傲然地出现，他凝视着，不胜惊讶。

D.这座像雨后春笋般一下子冒出来的堡垒，影影绰绰但傲然地出现在晨雾中，他凝视着，不胜惊讶。

正确答案是D