Cristbal's parents die in a car crash in Mexico. Most of his relatives are living in the United States. One of his friends takes him to a person who agrees to take Cristbal to the U.S. in his truck in exchange for money. Cristbal pays the money and thus illegally enters the U.S. after a few days. Which of the following is being illustrated in the given scenario? A. Asportation B. Trafficking in persons C. Entrapment D. Human smuggling