Which of the sentences below best express the essential information in the highlighted sentence in the passage? Incorrect choices change the meaning in important ways or leave out essential information.

• Although scholars cannot accurately determine the size of the Uruk population, they know the citizens were not dependent on agriculture.
• scholars do not have enough evidence to determine whether the agriculture areas just outside of Uruk were large enough to feed the city’s population.
• Because city populations cannot feed themselves, scholars think the surrounding farms provided food to the people in Uruk.
• Scholars believe that the inhabitants of Uruk were able to support themselves from product grown in field surrounding the city.

This is a multiple choice.