问题补充：
They were arguing each other the cause of SARS．
A. about; with
B. to; about
C. with; to
D. with; about
答案：
A. about; with
B. to; about
C. with; to
(答案→)D. with; about
解析：本题考查argue的意义和搭配。argue with sb. about/over sth.与某人辩论某事 argue for为.....辩论 argue against辩驳 argue about (over) sth 为某事而争论。
