—Excuse me, sir. Could you tell me _______?

—At 2:00 p.m. [ ]

A. where the meeting was held

B. when the meeting will begin

C. when did the meeting begin

D. where will the meeting be held

在Windows98环境下运行的应用程序有3种类型，即32位的Windows应用程序、 MS DOS应用程序和【 】位的Windows应用程序。