What are the approximate boundaries of the Barrio Azteca Historic District in Laredo?

A. Interstate 35, Main Street, Zacate Creek, and the Rio Grande
B. Interstate 35, San Bernardo Avenue, Zacate Creek, and the Rio Grande
C. Interstate 35, Washington Street, Zacate Creek, and the Rio Grande
D. Interstate 35, Matamoros Street, Zacate Creek, and the Rio Grande
Answer: 