單項(xiàng)選擇題劉叔叔看病花了280元,報(bào)銷時(shí),個(gè)人要負(fù)擔(dān)四成,能報(bào)銷多少元錢?算式是()

A.280×40%
B.280×(1-40%)
C.280÷(1-40%)
D.280÷40%