【填句补文】The future is much too important to simply guess about, the way the high school students did. ________ by carefully studying the present, skilled businessmen, scientists, and politicians are supposedly able to figure out in advance what will happen.
A
The stock market had its worst losses ever
B
Buildings would rotate so they could follow the sun to take maximum advantage of its light and heat
C
So experts are regularly asked to predict accurately
D
The article was written in 1958
