题目

What shall we use for power when all the oil in the world has . A . given out B . put out C . held up D . used up 答案：A执行如图所示的程序框图，如果输出S=3，那么判断框内应填入的条件是（ ） A.k≤6B.k≤7C.k≤8D.k≤9