A good friend tells you that she has to cancel an activity you were going to do together. If you are listening for her intent, you might ask why she has to cancel.

Because e-mails are sent and received at different times, they represent an _________________ forms of communication.  

Fill in the blank(s) with the appropriate word(s).

After every single interview, the interviewee should follow up with __________.

A. a brief thank you note B. a cover letter C. a personal visit D. a phone call