单选题
(Since the beginning) of this century, more and more scientists (have become) inter-ested (in) (the way how) the human brain works.
A、
Since the beginning
B、
have become
C、
in
D、
the way how
【正确答案】
D
【答案解析】
名词way后的定语从句要么用that引导要么用in which引导，也可省略引导词。
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