Which of the following words can have a somewhat negative connotation comparative b rabble c hack or d bac?

The word with a somewhat negative connotation out of the options is c) hack.

Here's why:

* Hack can refer to someone who is unskilled or mediocre, especially in a creative field like writing or programming.

* Comparative is neutral, referring to something being compared to another.

* Rabble is negative, referring to a disorderly crowd of people.

* Bac is not a common English word and likely has no connotations.

Let me know if you'd like me to explain any of these further!