单选题 Smart dust sensors can do all the following EXCEPT ______.

A、 giving troops their protective gear
B、 organizing themselves into a computer network
C、 detecting the movement of military vehicles nearby
D、 operating in remote and dangerous War zones

【正确答案】 A

【答案解析】其余三项在文章中都可以找到。此题的解体思路同第39题。