A house in Clarktown caught fire on Christmas Eve, 1982. The woman who lived in the house was already in her eighties. Being in poor health, she had trouble in __21__ even when things were fine. With her house burning down around her, she was not able to go __22__. The smoke made her choke (窒息). The fire was very hot. Without quick help she would have died. Fire fighters got to the house. They started to put the fire out. They did not know the old woman was still __23__. The people heard her crying for help. The fire was still very hot and there was lots of smoke.
选项：

A:man
B:inside
C:walking
D:wife
E:anywhere
F:quickly