Read the passage.

The Central City Zoo is small and old. Though it backs up to 400 acres of city-owned woods, it sits on just 50 acres of land. Due to the zoo’s size, its animals live in the same cramped, barred cages built in 1946. Any visitor can see the big cats pacing unhappily back and forth, day after day, and the apes prowling hopelessly in search of something interesting to climb. This is unacceptable.

Which answer is the best way to format a direct quotation from this passage?

Wilson points out that the animals are pacing unhappily .

Wilson states that these living conditions for the animals are unacceptable.

Wilson states that the animals are unhappy and concludes, "This is unacceptable" .

Wilson states that these living conditions are not acceptable."