—Sure. Next month.
A：when you will travel
B：when you travelled
C：when will you travel
D：when did you travel
小冬利用压力传感器、电磁继电器、光敏电阻等元件，设计了一个机动车超载自动拍照电路．当有车辆通过时光控开关会自动闭合，若车辆超重时，压力开关会闭合，使摄像系统电路接通，可自动拍摄超重车辆号牌．下列有关说法正确的是（ ）
Cloning human embryos ____the____ of destroying them shows no respect for human life.
