The H1N1 flu, often “swine flu” by the public media, is a disease which can be prevented, controlled and cured.
A. calls
B. to call
C. calling
D. called
网友回答
A. calls
B. to call
C. calling
(答案→)D. called
解析：考查非谓语动词。The H1N1 flu与call为被动关系，故用过去分词。句意：甲型流感病毒，常被公众媒体称为禽流感，是一种可预防，可控制，可治愈的疾病。