Sentence Correction (SC) | Re: In the major cities of industrialized countries at the end of the nine

Hi Deepak, the crux of sentence, in option Cis:

at the end of the nineteenth century, there had been less than 1 percent of homes with electricity

So, option C usespast perfect tense (had been . This is an incorrect usage.Past perfect tense is used to establish atime-sequence between two events that happened
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