A. My aunt who lives Karachi is a doctor
B. My aunt, who lives in Karachi is a doctor
C. My aunt, who lives in Karachi, is a doctor
D. All of these
🧠 Explanation:
The correctly punctuated sentence "My aunt, who lives in Karachi, is a doctor" uses commas to set off the non-restrictive clause "who lives in Karachi," providing extra information about the aunt. Proper punctuation ensures clarity, distinguishing essential from supplementary details. This example highlights the role of commas in complex sentences, vital in formal writing or storytelling. Understanding non-restrictive clauses enhances sentence structure, improving communication in academic, professional, or narrative contexts where clarity is essential.
