A:桃树、酵母菌、流感病毒
B:草履虫、枯草杆菌、乙肝病毒
C:醋酸杆菌、蘑菇、眼虫
D:小麦、醋酸杆菌、甲流病毒
Eating too much fast food is not ____ ____ our health.