---Do you know whether they talked about their work or their family

---As _______matter of fact, I couldn’t hear it clearly, as they talked in ______whisper.

A．the; a

B．a; a

C．the; the

D．a; the

1936年10月，中国工农红军第一、二、四方面军胜利会师于（）

A.陕北保安地区

B.陕北洛川地区

C.陕北瓦窑堡地区

D.甘肃会宁、静宁地区