Final answer:
Planning for sustainability and resiliency, investment, and leadership from local officials are the three things needed to face the looming infrastructure challenge.
Step-by-step explanation:
To face the looming infrastructure challenge, three things need to be done: planning for sustainability and resiliency, investment, and leadership from local officials. Based on the information provided, the option that is NOT one of the three is D) More civil engineers coming out of college. While civil engineers are important for infrastructure development, it is not specifically mentioned as one of the three things needed to address the challenge.
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