Mr.Brown wanted to get some fresh air in the room. He opened the window.
A.Mr.Brown wanted to get some fresh air in the room because he opened the window.
B.Having opened the window, the room could get some fresh air by Mr.Brown.
C.Mr.Brown got some fresh air in the room, even though he opened the window
D.Mr.Brown opened the window in order to get some fresh air in the room.

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