Ximena, age 35, from Mexico, entered the United States without inspection in 2005, stayed for 4 months and then returned to Mexico. She entered the United States again without inspection in 2007 and stayed for 5 months. In 2009, she entered the United States without inspection for a third time and remained for 4 months before departing. Ximena last came to the United States without inspection in 2010 and has been here ever since. Which of the following statements is true:
