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

A.
A．in
B.in
C.as
D.in

【参考答案】

A
inthelightof“根据”；inviewof“鉴于”；asto“至于”；intheinterestof......

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