[单选题]Bruce Alberts, added this key point in the preface to the panel’s report: Science never has all answers. But science does provide us with the best guide to the future, and it is critical that our nation and the world base important policies on the best judgments that science can provide concerning the future consequences of present actions. According to Bruce Alberts, science can serve as （ ）.
A
a protector
B
a judge
C
a critic
D
a guide
正确答案：D
题目解析
题干：根据布鲁斯·阿尔伯茨的说法，科学可以作为…...
句子看起来很长，那么可以简化为找到句子中的强调部分，因为强调处是句子的重点所在。该句子强调处是：science does provide us with the best guide（科学确实为我们提供了最好的指导）。所以本题选D。
