In the passage, which event reflects the spread of kudzu in the South? A. In 1876, an ornamental plant from Japan was displayed at the Philadelphia. Centennial Exposition.

B. The climbing vine had broad green leaves and fragrant purple flowers.

C. At first, the plant seemed to be harmless.

D. In the mid-1930s to early 1950s, southern farmers were even encouraged to plant it for erosion control.