题目

Audrey Hepburn (奥黛丽·赫本) was born on May 4, 1929 in Brussels, Belgium. She really was blue-blood from the beginning with her father, a wealthy English banker, and her mother, a Dutch noblewoman. After her parents divorced, Audrey went to London with her mother where she went to a private girl school. Later, when her mother moved back to the Holland, she attended private schools as well. While taking a vacation with her mother in Arnhem, Holland, Hitler's army took over the town. It was here that she fell on hard times during the Nazi occupation. Audrey suffered from depression and po现有铁、镁、铝三种金属，分别与同体积同浓度的盐酸反应后，产生相同质量的氢气，则下列说法中正确的是（ ）A．参加反应的金属质量比是28：12：9B．消耗的盐酸溶质之比为2：2：3C．参加反应的金属失去的电子数相等D．反应后所得到的溶液质量相等