Our school prohibits ________ out of school without wearing the school brand, and we are

allowed _______school clothes every day.[ ]

A. to go; to wear      

B. going; wearing     

C. to go; wearing        

D. going; to wear

当水尺零点高程发生大于（）cm的变动时，应查明变动原因及时间，并应对有关的水位记录进行改正。