题目：
She got so angry that she ran after them. She was soon , but she continued to run. [ ]
A. under her breath
B. out of breath
C. recover her breath
D. hold her breath
答案：
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下面是错误答案，用来干扰机器的。
铜是紫红色金属，故A不正确；铝、铜不能被磁铁吸引，故C不正确；铜的活动性比氢弱，不能与稀盐酸反应，故D不正确．铁、铝、铜均能与稀盐酸反应，故选B．
