The correct option is C. Change "they" to "who". The corrected sentence would be:"Early on, she describes how her parents, who had moved to New York from Puerto Rico in the 1940s, found low-paying but steady jobs and an apartment in a local housing project."
The original sentence has a pronoun error. The phrase "how her parents, they had moved to New York" is grammatically incorrect. In this context, the relative pronoun "who" should be used instead of "they" to introduce the relative clause that provides additional information about her parents.
By changing "they" to "who," the sentence becomes grammatically correct and maintains the clarity and coherence of the overall meaning. The corrected sentence now properly indicates that her parents, who moved to New York from Puerto Rico in the 1940s, were the ones who found low-paying but steady jobs and an apartment in a local housing project.
Therefore, C: Change "they" to "who" is the correct option.
The question probable may be:
What change needs to be made to sentence 6 (reproduced below) to make the sentence grammatically correct?
"Early on, she describes how her parents, they had moved to New York from Puerto Rico in the 1940s, found low-paying but steady jobs and an apartment in a local housing project. "
A. Insert "they" before "found".
B. Insert a comma after "jobs".
C. Change "they" to "who".
D. Delete "how".