Intheeraofnanotechnology,invisibledevicesjustatomswidewillperformtasksasmundaneasadjustingthelightinginaroom---orasashuntingdowncancercells.(A)nagging(B)adolescent(C)eccentric(D)vital1）请翻译2）选

Question

In the era of nanotechnology,invisible devices just atoms wide will perform tasks as mundane as adjusting the lighting in a room--- or as __________ as hunting down cancer cells.
(A) nagging (B) adolescent
(C) eccentric (D) vital
1）请翻译
2）选择哪个?

Answer 1

应该选D吧
在纳米时代,小至原子大小的装置完成任务将象调节房间里的灯光一样简单,并且象消灭癌细胞一样至关重要（具有重大的意义）