Correct option is A
The correct spelling is
"cathedral", which refers to a principal church that serves as the central place of worship in a diocese. (कैथेड्रल – एक बड़ा चर्च जो धार्मिक और ऐतिहासिक महत्व रखता है।)
Example: The St. Paul’s
cathedral in London is a masterpiece of architecture.