Sentence Correction (SC) | Re: In some species of cricket, the number of chirps per minute used by th

I could narrow down to the choices D and E, and ended up picking the right choice D. But, I wish to know from experts whether I was smart enough with my logic or I was blatantly lucky.

Both the options, D & E, are error-free grammatically (at least unlike the other options which are eliminated). Now, we know
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