题目内容
（请给出正确答案）
[主观题]
What does the author conclude about preparing suitable questions for a research project？A．
What does the author conclude about preparing suitable questions for a research project？
A．It is more difficult than the student researcher may realize.
B．The researcher should get help from other people.
C．The questions should be brief so that they will he understood.
D．It is important to follow formulas closely.
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