Which of the following phrases given below the sentence should replace the phrase printed in bold letters to make the sentence grammatically correct? Choose the best option among the five given alternatives that reflect the correct use of phrase in the context of the grammatically correct sentence. If the sentence is correct as it is, mark “No improvement required” as the answer.

Since the prisoner couldn’t coexist by another convicts, he spent a lot of time in solitary confinement.

Correct option is C

The correct answer is: (c) coexist with other convicts, he
· "Coexist" is followed by "with," not "by."
· "Another convicts" is incorrect; the plural "other convicts" is appropriate.
Corrected sentence:
Since the prisoner couldn’t coexist with other convicts, he spent a lot of time in solitary confinement.