题目

最近，意大利科学家使用普通氧分子和带正电荷的氧离子制造出了由4个氧原子构成的氧分子，并用质谱仪探测到了它存在的证据。若该氧分子具有空间对称结构，下列关于该氧分子的说法正确的是        A．是一种新的氧化物B．不可能含有极性键        C．是氧元素的一种同位素D．是臭氧的同分异构体Tom _________ Mary in 1998. That is to say, they _________ for 12 years.A.got married with , have got marriedB.got married to , have marriedC.married, have been marriedD.married to, have been married