A:JPG和FLA
B:BMP和JPG
C:BMP和TIF
D:JPG和PNG
When he ___ the bus , the poor man realized he had left his bag on it.
小明在参加我区中考前的一模考试,拿过试卷后,他习惯性地把卷纸对折,用力一压,出现折痕.下列说法正确的(或合理)的是( )