No hard feelings no hard feelings no hard feelings no hard feelings-
oh no i failed again :(

The answer is a.

Explanation:

you okay?

Explanation:

you good g :?

The subject heading of a letter of complaint refers to D. the topic of the letter. If you are making a complaint about something, it would be good to write what your problem is in the subject, so that the person reading it can conclude how important your issue is. If it's really relevant, based on your subject they will try to solve your problem first, but if it;s not, you'll have to wait a while.