DuoDuo is a great lone traveler crossing borders of nation, language and history, as well as a determined predictor of some of the most basic, universal human values that _____ in our troubled modern times.

A．have been overlooked

B．have overlooked

C．has been overlooked

D．is overlooked

太阳光通过三棱镜后，被分解成七色光带叫做                        ，把白光分解成七色光后，依次是          、           、黄、绿、            、靛、          。其中光的“三基色”是指红、             、蓝。