单项选择题

On Thursday afternoon Mrs. Clarke locked the door and went to the women’s club as usual. It was a pleasant way of passing time (36) an old woman who lived (37) .
When she came home she sensed something (38) . Had someone got in The back door and the windows were all (39) and there was no (40) of forced entry. Had (41) been taken She went from room to room, (42) , and found her camera and spare watch (43) .
The following Thursday she went out at her (44) time, but didn’t go to the club. (45) she took a short walk in a park nearby and came home, (46) herself in through the back door. She settled down to wait and see what would (47) .
It was 4 o’clock when the front doorbell rang. Mrs. Clarke was (48) tea at the time. The bell rang again, and (49) she heard her letter-box being pushed open. (50) the kettle of boiling water, she moved quietly (51) the door. A (52) of wire appeared through the letter-box, and then a (53) . The wire turned and caught around the knob on the door lock Mrs. Clarke raised the kettle and (54) the water over the hand. (55) was heard outside as the (56) fell to the floor and the hand was pulled back, which was (57) by the sound of running feet.
It wasn’t long (58) the police caught the thief. And Mrs. Clarke was greatly (59) at the club for her successful (60) .

57（）

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