请选择DCBA*x1b:O8h'W7F-d4C6k)R+W;O — ________ will the meeting be ready?5m8u,s5]+Y-m8r,S
— In an hour.5m8u,s5]+Y-m8r,S
A. How soon5m8u,s5]+Y-m8r,S
B. How often5m8u,s5]+Y-m8r,S
C. How far5m8u,s5]+Y-m8r,S
D. How long5m8u,s5]+Y-m8r,S