The travelers were ready to enjoy the spectacular tidal waves when suddenly a thick fog came up and _____ the whole scene.
句意： 游客们正准备欣赏美丽的浪潮， 突然大雾到来， 模糊了整片景象。 blur意为"模糊"。 belittle鄙视。 ban限制。 collapse摧毁。 本题答案为A。