标题: 请教OG第210题 [打印本页] 作者: excellent 时间: 2004-1-12 19:38 标题: 请教OG第210题 210. Scientists have recently discovered what could be the largest and oldest living organism on Earth, a giant fungus that is an interwoven filigree of mushrooms and rootlike tentacles spawned by a single fertilized spore some 10,000 years ago and extending for more than 30 acres in the soil of a Michigan forest. (A)extending (B)extends (C)extended (D)it extended (E)is extending