【单选题】There are some principles for us to follow when it comes to starting with a definition in the opening paragraph. Choose the one which is not correct.
A.
We’d better write a clear-cut and concise definition with key points.
B.
We’d better make the definition as extended as possible.
C.
We’d better use our own definition because it is uniquely created.
D.
We’d better write no more than three sentences for a definition.