Read the passage.

public speaking is the number one fear in america. in fact, a recent study showed that people are more anxious about public speaking than they are about getting seriously ill or falling prey to an accident.
what has the author used to elaborate on his topic?

an historical example
a statistic
a quotation
a personal example

the correct answer can either be a or b because it could be both but you should probally choose b

in night, why are wiesel and his father evacuated from the auschwitz concentration camp? a massive escape makes the nazis question the security of auschwitz. they are assigned to work as laborers in a factory at another camp, buna. hitler has ordered that all remaining jews be relocated within german borders. the german army needs the camp guards to go to the battle front for a last-chance defense.