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


OA is B

Guys, what do you think of this question? I stucked between [spoiler]B & C[/spoiler]

I have seen Ron & stacey's post and they explain that C is wrong because of the wrong comparison. But I find the comparison in C seems to be correct. I just can't find out why the comparison in C is wrong. Anyone helps me?

Comparison in B: Wild animals have less total fat than livestock

Comparison in C: wild animals have less total fat than that of livestock