A、  B、  C、  D、  B

(A) They are cleaning files on the table.
(B) They are chatting in the office.
(C) They are all sitting at the table.
(D) One woman is pushing the man.

(A) The helicopter is on the ground.
(B) There is a column-like tower in the picture.
(C) The plane wants to rescue the man on the tower.
(D) The helicopter has some engine problems.