单选题
The common aspect for the journal articles, theses and conference papers lies in that ______.
A、
they are all for the practitioners
B、
they are all to be read by researchers
C、
they are all for being published
D、
they are all forms of reporting research
【正确答案】
D
【答案解析】
本文一开头就指出了There are a number of formats for reporting research，such as…可见正确答案是D。
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