Answer: A. Steel beams and girders in modern-day city skyscrapers have stronger connections and are put together more quickly and with fewer workers than connections formed by riveting.
Step-by-step explanation:
Paraphrase refers to the restatement of a text, or passage, such that the meaning of the passage is given in another form.
The choice that is the best paraphrase of the text will be "Steel beams and girders in modern-day city skyscrapers have stronger connections and are put together more quickly and with fewer workers than connections formed by riveting".
Therefore, the correct option is A.