请问more of+名词，fewer of+名词是什么用法

高呆呆

Diesel engines burn as much as 30% less fuel than gasoline engines of comparable size, as well as emitting far less carbon dioxide gas and far fewer of the other gasses that have been implicated in global warming.

A.of comparable size, as well as emitting far less carbon dioxide gas and far fewer of the other gasses that have

B.of comparable size, as well as emit far less carbon dioxide gas and far fewer of the other gasses having

C.of comparable size, and also they emit far fewer carbon dioxide and other gasses that have

D.that have a comparable size, and also they emit far fewer of the other gasses having

E.that have a comparable size, as well as emitting far fewer of the other gasses having
正确选项为A，但是fewer of +名词是啥意思类
According to recent studies comparing the nutritional value of meat from wild animals and meat from domesticated animals, wild animals have less total fat than do livestock fed on grain and more of a kind of fat they think is good for cardiac health.

A.wild animals have less total fat than do livestock fed on grain and more of a kind of fat they think is

B.wild animals have less total fat than livestock fed on grain and more of a kind of fat thought to be

C.wild animals have less total fat than that of livestock fed on grain and have more fat of a kind thought to be

D.total fat of wild animals is less than livestock fed on grain and they have more fat of a kind thought to be

E.total fat is less in wild animals than that of livestock fed on grain and more of their fat is of a kind they think is

选B ，more of+名词是什么意思啊？

谢谢，请大家帮忙解释啊！！！！！！！！

 help help NN!

A.wild animals have less total fat than do livestock fed on grain and more of a kind of fat they think is

B.wild animals have less total fat than livestock fed on grain and more of a kind of fat thought to be

C.wild animals have less total fat than that of livestock fed on grain and have more fat of a kind thought to be

D.total fat of wild animals is less than livestock fed on grain and they have more fat of a kind thought to be

E.total fat is less in wild animals than that of livestock fed on grain and more of their fat is of a kind they think is

选B ，more of+名词是什么意思啊？

谢谢，请大家帮忙解释啊！！！！！！！！

 help help NN!