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Plants are more efficient at acquiring carbon than are fungi, in the form of carbon dioxide, and converting it to energy-rich sugars.
A.Plants are more efficient at acquiring carbon than are fungi
B.Plants are more efficient at acquiring carbon than fungi
C.Plants are more efficient than fungi at acquiring carbon
D.Plants, more efficient than fungi at acquiring carbon
E.Plants acquire carbon more efficiently than fungi
我的疑问是如果有一个选项F 是Plants are more efficient than are fungi at acquiring carbon 是否这个选项优于正确选项C。还有一个疑问是为什么are在fungi前面呢?不应该是than fungi are 么 ?
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