题目

My grandfather came from Hungary and was the only one in his family who settled down in the United States. The rest of his family remained in Europe. When World War I broke out, he seemed to have become another man , downhearted. Such obvious change was not born out of concern for his welfare, but out of fear: if his only son, my uncle, had to go to war, it would be cousin fighting against cousin. One day in 1918, my Uncle Milton received his draft notice. My grandparents were very upset. But my mother, at the age of 10, felt on top of the world about her soldier brother going off to war. Real关于乐音与噪声，下列说法错误的是（　　）A．优美的乐曲声对某些人来说也可能成为噪声B．舞台上演出的震撼人心的锣鼓声也可能成为噪声C．同一个声音对某些人来说了可能成为噪声D．所有的噪声，它的响度一定很大