What would be the most appropriate closing sentence for this paragraph? a) a bottleneck is when the road gets narrow and the traffic backs-up as a result. b) too many cars on the road is frustrating; that is what i have to say about traffic. c) until civil engineers consider widening the bridges, these traffic problems will continue. d) traffic problems are sometimes very tricky to solve.

C is the correct answer for this question

C is the answer.

Explanation:

In this case, the question refers to the closing sentence, meaning that it must go at the end of the paragraph.

Option A would be a good idea if it refered to the beginning of the paragraph because it introduces a concept.

B is also incorrect because it is very informal and doesn't match the tone of the paragraph.

Option D is also incorrect because, similar to option A, it sounds more likely to belong to the beginning of the paragraph.

Finally, option C seems to provide a closure because it offers a solution and the language is the proper one.

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