GRE Text Completion: JiJing 1373-GRE填空机经1373题 - HEW7MOA5XVR52S05A

Since many prehistoric tools were made of materials, such as wood, bone, and antler, that tend to decay quickly, these archaeological specimens are ____________ their stone counterparts. A. cruder than B. derived from C. found with D. rarer than E. similar to