单项选择题

According to the author, who is starting to play a more involved role in the research process

A．International ethics organizations.
B．Local governments.
C．Underprivileged groups,
D．Local scientists.
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单项选择题
The word thorny (Line 5, Para. 1) most probably means ______ .
A．prickly
B．difficult
C．misunderstood
D．sharp
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