复习必备，考试必备Cc=newC();Console.WriteLine(c.m_B.m_valuel.GetType());Console.WriteLine(c.m_B.m_value2.GetType());Console.WriteLine(c.m_A.m_valuel.GetType());Console.WriteLine(c.m_A.m_value2.GetType());Console.WriteLine(c.m_B.m_A.m_valuel.Get