a. was it (यह था)
b. doesn't it (है ना?)
c. hasn't it ( क्या नहीं है)
d. has it (पास है)
Hence, the most appropriate option is (b). doesn't it.
As well as being a popular tourist site, Trafalgar Square offers some of the most famous views of the country, doesn't it?(एक लोकप्रिय पर्यटन स्थल होने के साथ-साथ, ट्राफलगर स्क्वायर देश के सबसे प्रसिद्ध विचारों को प्रदान करता है, है ना?)
