No, this is not a run-on sentence
The Communists in the State Department speech was given on February 9th 1950
The used rhetorical device is Hyperbole.
Saying that something is a billion times better is hyperbole because it is not really that much better, you would just be over exaggerating.
The best answer is the first option:
<span>For seven nights, he sneaks into the old man’s room and watches the sleeping man.
A good way to select the right answer is to read all of the options out loud. Which combination of the sentences sounds the most fluid and logical when you read it, and best preserves the meaning of the sentence? The first option does this best. </span>
