According to the first U.S. census that took place in the year 1790, the English, the largest ethnic group among the 3.9 million people that were counted, though nearly one in five Americans were of the African heritage
Meaning of the original sentence:1. US census took place in 1790
2. According to this census data, the English people were the largest ethnic group among the 3.9 million people that were counted
3. Though nearly one in five Americans was of African nation
So we have the main contrast in our sentence:
Even though The English people were the largest group, one in five Americans was of African nation
Errors of the original sentence:Attachment:
A.JPG [ 33.11 KiB | Viewed 2609 times ]
We don't have main verb for "the English" in our IC.
"one" doesn't agree in number with verb "were"
POEA)
English, the largest ethnic group among the 3.9 million people that were counted, though nearly
one in five Americans
wereB) English were among the 3.9 million people counted the largest ethnic group, despite nearly one in five Americans
being("being" is neither part of the "continuous tense, nor "subject" of the sentence, hence incorrect)C) English, the largest ethnic group among the 3.9 million people counted, nearly one in five Americans,
were(this choice completely distorted intended meaning and contrast, now we have verb for "English" but now it implies that "The English people were of the African heritage)E) English
was the largest ethnic group counting among the 3.9 million people, though nearly
one in five Americans
("the English {people - ellipsed} -plural - vs - singular, don't agree in number, we don't have verb in our DC, no verb for "one")D) English were the largest ethnic group among the 3.9 million people counted, though nearly one in five Americans wasAttachment:
D.JPG [ 41.67 KiB | Viewed 2587 times ]
D is the answer