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GHIBI
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solaris1
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what's faster by two and a half times? the rate, correct? but there's no reference to 'rate' in that sentence. that's the problem with C.

AVakil
What is wrong with C?
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GHIBI
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Solaris1.

You always have a nice explanation.
Thank you very much. +1 for you! :-D
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LM
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are vanishing at rate X, .....A is wrong.... uses past tense incorrectly.

are vanishing at rate X, .....B is wrong.... uses past perfect continuos tense incorrectly.

are vanishing at rate X, .....C is correct

are vanishing at rate X, .....D is wrong.... a rate brings in redundancy os same word

are vanishing at rate X, .....E is wrong.... which is a rate is wordy, redundant because it is rate is already clear.

Therefore "C"

I am still unclear why it's not "C". Could someone throw in more explanation? And what's wrong in my explanation above?
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LM
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LM
are vanishing at rate X, .....A is wrong.... uses past tense incorrectly.

are vanishing at rate X, .....B is wrong.... uses past perfect continuos tense incorrectly.

are vanishing at rate X, .....C is correct

are vanishing at rate X, .....D is wrong.... a rate brings in redundancy os same word

are vanishing at rate X, .....E is wrong.... which is a rate is wordy, redundant because it is rate is already clear.

Therefore "C"

I am still unclear why it's not "C". Could someone throw in more explanation? And what's wrong in my explanation above?

Is "C" missing .. " it was" previously thought.

It of some referent? Does B use correct tense?
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GHIBI
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Yes. In "C", it sounds illogical comparison.
Compare rate with "something" ....previously thought.



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