请选择ABCD({(c(p'q:r,B1c/[ It has been announced that candidates _______ remain in their seats until all the papers have been collected.6t:?.T)g-u)k2y
A. can6t:?.T)g-u)k2y
B. will6t:?.T)g-u)k2y
C. may6t:?.T)g-u)k2y
D. shall6t:?.T)g-u)k2y