单选题
The area is______with trails, some as wide as boulevards, that have been cut and maintained by elephant.(2003年西南财经大学考博试题)
【正确答案】
C
【答案解析】解析：本题空格处是说这片区域被一些小路隔开。C项“isolated隔离的”符合题意，如：Several villages have been isolated by the heavy snowfall．(好几个村庄因大雪与外界隔绝。)其他三项“blackmailed勒索：latticed装有格子的；galloped飞奔”都不正确。