与0LP发病因素无关的有
A．神经精神因素
B．病毒感染
C．过度吸烟饮酒
D．免疫学因素
E．某些化学药物、可能的遗传因素
参考答案：C
What a(n)_________ it is that they were born in the same year and on the same day! [ ]
A. coincidence
B. accident
C. incident
D. confidence
