题目选项分析

Until a few centuries ago, any large bones discovered in the fields or caves of Europe, bones now known to be those of large prehistoric animals, were usually assumed to be the remains of giants and were often displayed as curiosities in castles, palaces, town halls, churches, and monasteries.

Until a few centuries ago, any large bones discovered in the fields or caves of Europe, bones known at present as of large prehistoric animals, were usually assumed as those of the remains of giants and were often displayed as curiosities in castles, palaces, town halls, churches, and monasteries.