[語文] gwd-12-22的CR

[sunlydia (卻也跌跌撞撞)]

Scientists are discussing ways to remove excess carbon dioxide from the
 atmosphere by increasing the amount that is absorbed by plant life.
One plan to accomplish this is to establish giant floating seaweed farms
in the oceans.  When the seaweed plants die, they will be disposed of by
being burned for fuel.

Which of the following, if true, would indicate the most serious weakness
in the plan above?

A.Some areas of ocean in the Southern Hemisphere do not contain
  sufficient nutrients to support large seaweed farms.

B.When a seaweed plant is burned, it releases an amount of carbon
  dioxide comparable to the amount it has absorbed in its lifetime.

C.Even if seaweed farms prove effective, some people will be reluctant
  to switch to this new fuel.

D. Each year about seven billion tons of carbon dioxide are released
   into the atmosphere but only about five billion tons are absorbed
   by plant life.

E. Seaweed farms would make more money by farming seaweed to sell as
   nutritional supplements than by farming seaweed to sell as fuel.

可以請問一下這題嗎?
我知道A無關 D有點支持的味道
那請問B跟E呢?

這題答案是B
謝謝

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推 alansher:先說E 增加被植物吸收的CO2 所以養海藻
→ alansher:至於海藻要被怎麼處理 就和本題無關
→ alansher:更何況 賣會造成汙染的石油還沒賺頭>"<
→ alansher:所以 我認為E也是OOS (重點是沒提到後續處理)
→ alansher:B則 直接削弱原論證
→ alansher:另外 當被拿去當營養品賣 至少不會產生汙染
→ alansher:然後原句 有BEING 一定錯(拖走)