<em><u>The future of transportation involves moving into new, smarter sources of energy, modes of transport and physical and technological infrastructure to support these transportation innovations. Three common themes in transportation innovation are: smart technology. electrification</u></em>
Answer:
(I'm not entirely sure) I believe that the one you marked in the photo is the correct option (#3). Otherwise, it would become a run-on sentence.
The last one should be your answer.
