题目内容
（请给出正确答案）
[主观题]
We need to know something about the structure and operation of science because ______.A．it
We need to know something about the structure and operation of science because ______.
A．it is not easy to understand the things that excite and frustrate the scientist
B．science affects almost every aspect of our life
C．scientists live in a specific subculture
D．it is easier to understand general characteristics of science
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