27 Which of the following arguments is supported by the author of the passage?
(A)Given the ease of travel nowadays, including illegal immigrants in health insurance can reduce the spread of infectious diseases.
(B)Illegal immigrants should be excluded from the health care system before being sent back to their countries of origin.
(C)Excluding illegal immigrants from the health care insurance is an effective way to lower the nation’s health care costs.
(D) It is necessary to design more rules to keep illegal immigrants from using expensive medical services in the country.