请教SC

Q23:

Past assessments of the Brazilian rain forest have used satellite images to tally deforested areas, where farmers and ranchers have clear-cut and burned all the trees, but such work has not addressed either logging, which is the removal of only selected trees, as well as surface fires, burning down individual trees but do not denude the forest.

1. which is the removal of only selected trees, as well as surface fires, burning
2. which removes only selected trees, or surface fires that burn
3. which removes only selected trees, along with surface fires that burn
4. removing only selected trees, or surface fires, burning
5. removing only selected trees, as well as surface fires that burn

这句话的结构根本没看出来...

1. what they now commonly call
2. a plant that they now commonly call
3. now commonly called
4. and is mow commonly called
5. which it is now commonly called

B错在哪?

1. have to know a great deal more than now about the social and economic
2. have to know a great deal more than they do now about the social and economical
3. would have to know a great deal more than they do now about the social and economical
4. would have to know a great deal more than they do now about the social and economic
5. would have to know a great deal more than now about the social and economical

选B呢?

1. people in France consume fatty foods at a rate comparable to the United States, their
2. people in France and the United States consume fatty foods at about the same rate, the
3. fatty foods are consumed by people in France at a comparable rate to the United States’s, their
4. the rate of fatty foods consumed in France and the United States is about the same, the
5. the rate of people consuming fatty foods is about the same in France and the United States, the

不是应该两个rate并列吗,为什么不选D呢?