Scientists use observation and experimentation to examine a specific concept ______ existi
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Scientists use observation and experimentation to examine a specific concept ______ existing theories and principles.
A．in the light of
B．in view of
C．as to
D．in the interest of
请帮忙给出正确答案和分析，谢谢！
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正确答案：A
inthelightof“根据”；inviewof“鉴于”；asto“至于”；intheinterestof“为了……的利益”。题句意为：科学家运用观察和实验，并依据现有的理论和原理来验证某一具体概念。