A、susAn thAnkEDBoB For tAking thE piCturE.
B、thE sChool sEnt piCturEs to All oF thE tEAChErs.
C．thE EnvElopE ContAinED two lEttErs AnD A piCturE.
D．thE lEttErs wErE ADDrEssED to thE FACulty.