At the turn of the twentieth century, forest covering as much as 90 percent of Thailand and accommodating as many as 300,000 elephants, a third of them domesticated and performing various essential tasks.
A.covering as much as 90 percent of Thailand and accommodating as many as 300,000 elephants, a third of them
B.covering as much as 90 percent of Thailand accommodated as much as 300,000 elephants, and a third of them were
C.covered as much as 90 percent of Thailand and accommodated as much as 300,000 elephants, with a third
D.covered as much as 90 percent of Thailand and accommodated as many as 300,000 elephants, a third of them
E.covered as much as 90 percent of Thailand and accommodating as many as 300,000 elephants, with a third of them
答案是D 我不明白的是a third of them domesticated and performing various essential tasks.这句话是什么结构啊?不是缺少were吗?
谢谢~
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