I believe D
Explanation:
this is due to the fact that is mainly only talking about bridges and ferry-boats rather then the city itself and it's technology
I don't really know sorry
I'm almost sure that the answer is B, when you are writing an analytical essay about any topic -or any essay for that matter- you must have a main argument that can be supported -this is why you have to have 3 body paragraphs, each give a reason or support the claim (argument)-
B is the correct answer because A makes the reader believe that the two Notaries preferred ether of the options rather than specifying they each chose only one type.