【单选题】His list, in descending order of importance, was: .(Para. 4)
A.
His list contains ten items: energy, water, food, environment, poverty, terrorism and war, disease, education, democracy, and population. They are arranged in such a way that each item is more important than the one that follows it.
B.
The ten items on his list—energy, water, food, environment, poverty, terrorism and war, disease, education, democracy, and population—are gradually losing importance now.
【简答题】For a long while he waited, not daring to descend from his hiding place ______________ they should come out and catch him in the act. [A] when [B] lest [C] that [D] where