Answer:
Your answer is onomatopoeia.
My answer would be C. Only the words you know the meaning to.
The text:
__________
"Then he began teaching at Pinkerton Academy."
__________
is NOT a "run-on" or "sentence fragment"; rather, it is a complete sentence.
The answer is:
the keynote address at the 1976 Democratic National Convention.
Barbara Jordan's speech at Richard Nixon's impeachment hearing in 1974 gave her such popularity because of its rhetoric and honorableness that in 1976 she became the first African-American woman to deliver the keynote address at the Democratic National Convention, together with astronaut John Glenn.
(C) Reports are generally written for an assignment, so you would read to find out who the audience is why and the report was written :) hope this was helpful