问题描述：
.-------no cause for alarm,the old man went back to his bedroom.A.There was B.There being C.Being
.-------no cause for alarm,the old man went back to his bedroom.
A.There was B.There being C.Being
.-------no cause for alarm,the old man went back to his bedroom.
A.There was B.There being C.Being
问题解答：
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