请选择DCBA't4W,p7h.L:N Yang Liwei will talk to ______ students in ______ hour.)s*d6s6v5O(s2W/d)I
A. a; a)s*d6s6v5O(s2W/d)I
B. an; the)s*d6s6v5O(s2W/d)I
C. the; an)s*d6s6v5O(s2W/d)I
D. 不填；a)s*d6s6v5O(s2W/d)I