Answer: D) Understandable.
Step-by-step explanation: A connotational meaning of a word, is the meaning given by the context around the word, or even by the reader, based in his/her emotions and personal experiences. It is the antonym of denotation which is the meaning we can find in a dictionary. In the given excerpt, the connotation (or meaning based on the context) of "comprehensive" is understandable, the editor asked the journalist to write an article that can be understand for the public in general.