Altough improved efficiency in converting harvested trees

Question

Altough improved efficiency  in converting harvested trees into wood products may reduce harvest rates, it will stimulate demand by increasing supply and lowing prices, thereby boosting  consumption. 

(A)in converting harvested trees into wood products may reduce harvest rates, it will stimulate demand by increasing supply and lowing prices, thereby boosting 

(B)in converting harvested trees into wood may reduce harvest rates, demand will be stimulated beacuse of increasing supply and lowering prices, which boost 

(C)of converting harvested trees into wood products may reduce harvest rates, it will stimulate demand by increasing supply and lowering prices, which boosts 

(D)of harvested trees being converted into wood products may reduce harvest rates, it will stimulate demand, because it will increase supply and lower prices, thereby boosting 

(E)when harvested trees are converted into wood products may reduce harvest rates, demand will be stimulated because of increasing supply and lowering prices, which boost

sangarelli · Answer

(B) for me .
has to be in converting.
and the it in (A) is unnecessary.

ps_dahiya · Answer

Nothing wrong with A.

I think there is typo ("wood" should be "wood products" in B). But even with that correction, I will go with A.

uvs_mba · Answer

I pick A. the "it" is referring to improved efficiency.. so I don't think there is a problem there.

B looks tempting but the problem is with the "which boosts".

A is good because of llism

sangarelli · Answer

Yes u r rite shud be (A).My mistake,demand will be stimulated because of lowering prices is wrong.Also improved efficiency is the reason.

pmenon · Answer

Can anyone enlighten as to how we clearly know that the "it" refers to the improved efficiency ?

I didnt think it was clear, which is why I picked B

karlfurt · Answer

A

(A)in converting harvested trees into wood products may reduce harvest rates, it will stimulate demand by increasing supply and lowing prices, thereby boosting 
OK, but wasnot sure whether "efficiency in" idiom. "It" refers to efficiency and it is right.

(B)in converting harvested trees into wood may reduce harvest rates, demand will be stimulated beacuse of increasing supply and lowering prices, which boost 
out. which could refer to prices or to the stimulated demand. confusing.

(C)of converting harvested trees into wood products may reduce harvest rates, it will stimulate demand by increasing supply and lowering prices, which boosts 
out. boosts not // with future tense

(D)of harvested trees being converted into wood products may reduce harvest rates, it will stimulate demand, because it will increase supply and lower prices, thereby boosting 
out

(E)when harvested trees are converted into wood products may reduce harvest rates, demand will be stimulated because of increasing supply and lowering prices, which boost
out

jerrywu · Answer

only "efficiency" is singular...that is why "it" refers to efficiency..

GMATT73 · Answer

efficiency in~ is idiomatic. 

Between A and B, only the former is ll

ak_idc · Answer

"which" in B refers to what? A is my answer, inspite of typo "lowing"

baski6 · Answer

I picked A.

I have a question about the usage   lowing price  

is that right way of saying or should be lowering price .


ALL Verbal gurus, please help me to understand.

Altough improved efficiency in converting harvested trees

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