It can be inferred from the passage that the Craighead Caverns presently serve as __________.
A.an underground testing site B.an Indian meeting ground C.a tourist attraction D.a motor boat race course正确答案C
It can be inferred from the passage that the Craighead Caverns presently serve as __________.
A.an underground testing site B.an Indian meeting ground C.a tourist attraction D.a motor boat race course正确答案C
