【r70218】評論
(A) Incomings 收入(B) Outgoings 支出(C) Incumbents 現任者；在職者(D) Departments 部門40 have three ways of defending themselves. They are marketing, nudging customers towards newer drugs still protected by patent, and paying the competitors not to produce.40=下一段的They=某種人依前後文及給定選項推出答案為C