If a Definition Is Neither Too Broad nor Too Narrow

Multiple Choice

If a definition is neither too broad nor too narrow, will all of the referents of the concept also be referents of the definition?

A) Yes, and all of the referents of the definition will also be referents of the concept.
B) Yes, but some of the referents of the definition will not be referents of the concept.
C) Yes, but none of the referents of the definition will also be referents of the concept.
D) No, because none will.
E) No, although most will.