Vice-President Lyndon Johnson became President of the United States following the death of John F. Kennedy and was______elected to a full term in 1964.
【正确答案】 C
【答案解析】约翰·F·肯尼迪死后，副总统林登·约翰逊成了美国总统，并且接着又于1964年连任了整个任期。A duly“正当地：如期地” B．therefore“因此”C．subsequently“后来，接着”D．uniformly“均匀，一致性”