Just putting away the dishes A. the telephone rangB. someone knocked at the doorC. Mary h

问题补充：

Just putting away the dishes,

A. the telephone rang

B. someone knocked at the door

C. Mary heard the phone rang

D. the door was opened

答案：

A. the telephone rang

B. someone knocked at the door

(答案→)C. Mary heard the phone rang

D. the door was opened

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