题目

 以下哪种矛盾直接引发了1929年的资本主义经济危机 A．工人和资本家之间的矛盾       B．大生产与私有制之间的矛盾 C．生产与销售之间的矛盾         D．大资本家与小投资者之间的矛盾 答案：C       _________ the deaf children, the young lady has little time to care for her own daughter. A．Devoted to teach B．Devoted herself to teach C．Devoting herself to teaching D．Devoting to teach