It is reported that two schools, ____ are being built in my hometown, will open next year.     [    ]

A. they both                      

B. which both      

C. both of them                 

D. both of which

根据《国内水路货物运输规则》，下列造成承运人损失，托运人应当承担赔偿责任的原因是（）.

A.托运人办理各项手续不及时

B.托运人办理各项单证不正确

C.托运货物与运输合同的约定不符

D.以上都是