it broke through racial barriers of segregation
Fred is frustrated with his e-mail provider because he didn't receive any e-mails today, due to a service outage.
It would be A because the only thing the sentence needed was a subject and once you add mike to the sentence fragment, it becomes a sentence without changing anything besides the person who called and left a message
I think it is C. A man but i am not so sure
Presentation aids are visual methods of clarifying ideas and illustrating the message. So, your answer would be A.
Hope this helps!
