Which of the following is the best definition of “dictionary”?

A、A dictionary is the reference book containing an alphabetical list of words with information about them.;

B、The dictionary is the reference book containing an alphabetical list of words with information about them.;

C、The dictionary is a reference book containing an alphabetical list of words with information about them.;

D、A dictionary is a reference book containing an alphabetical list of words with information about them.