Questions 14 to 16 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions. Now, listen to the passage. What is suggested for the issue of illegal immigration discussed in the passage just heard

A．Stationing a huge army along the border preventing illegal immigration.
B．Opposing the illegal immigration but not the legal immigration.
C．Facilitating the legal immigration in the healthy manner possible.
D．Comparing the similarities between the past and the present immigrations.