quEstions 11--13 ArE BAsED on thE Following DiAloguE. you now hAvE 15 sEConDs to rEAD quEstions 11--13. why DiD thE womAn opEn thE Door whEn somEonE knoCkED At itA．BECAusE shE knEw thE two mEn.
B、BECAusE shE thought it wAs hEr husBAnD、
C．BECAusE shE wAs wAiting For thEm.
D．BECAusE shE wAs AFrAiD oF thEm.