1.Added to the increase in hourly wages requested last july, the railroad employees are now seeking an expanded program of retirement benefits.
(C) The railroad employees are now seeking an expanded program of retirement benefits added to the increase in hourly wages that were requested last july.
(E) In addition to the increase in hourly wages requested last July, the employees of the railroad are now seeking an expanded program of retirment benefits.
E项正确,答案说C项有语序的问题,但是我不知道什么地方有问题,还有语序问题怎么判断呀?能否帮忙回答一下,谢啦谢啦。