| A common disability in test pilots is hearing impairment, a consequence of sitting too close to large jet engines for long periods of time.
(A) a consequence of sitting too close to large jet engines for long periods of time
(B) a consequence from sitting for long periods of time too near to large jet engines
(C) a consequence which resulted from sitting too close to large jet engines for long periods of time
(D) damaged from sitting too near to large jet engines for long periods of time
(E) damaged because they sat too close to large jet engines for long periods of time
答案是A，C错在哪儿？若把C里面的which去掉对不对呢？ | 
