which sentence or sentences have correct parallel structure? in the early 1900s, most deaths in the united…

which sentence or sentences have correct parallel structure? in the early 1900s, most deaths in the united states were caused by either pneumonia or influenza, both of which spread quickly in overcrowded cities. in the early 1900s, most deaths in the united states were caused either by pneumonia or by influenza, both of which spread quickly in overcrowded cities.

which sentence or sentences have correct parallel structure? in the early 1900s, most deaths in the united states were caused by either pneumonia or influenza, both of which spread quickly in overcrowded cities. in the early 1900s, most deaths in the united states were caused either by pneumonia or by influenza, both of which spread quickly in overcrowded cities.

Answer

Brief Explanations:

La estructura paralela se refiere a la repetición de una estructura gramatical similar en una oración. La segunda oración tiene una estructura paralela correcta al usar "either by... or by...". En la primera oración, la estructura no es paralela al no tener la preposición "by" después de "or".

Answer:

La segunda oración: "In the early 1900s, most deaths in the United States were caused either by pneumonia or by influenza, both of which spread quickly in overcrowded cities." tiene correcta estructura paralela.