64.透過大眾傳播媒體的宣導鼓勵民眾施打疫苗接種。請問屬於健康信念模式(Health Belief Model)哪項概念元素？ (A)自覺罹患性(perceived susceptibility) (B)自覺嚴重性(perceived severity) (C)自覺行動利益(perceived benefits) (D)行動線索(cues to action)。