In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".
I (has been) fortunate to travel with interesting co-passengers
The Cathedral of Notre Dame is located in paris(France) . It was one of the earliest French Cathedrals to be built in the Gothic style. It was built between A.D 1163 and AD 1270. About the 12th century, a new style- the Gothic -was developed in France.