Answer:
She think she's better than Athena and she boasts about it. Athena becomes angry, and changes Arachne into a spider after a weaving competition.
Explanation:
He is motivated by vengeance for how he was treated.
Knows little. 2 and 3 are both presuming too much, as it's the writer's duty to get them interested and informed. 4 basically doesn't matter, and furthermore may not even apply in many forms of writing. 1 is the best answer, as writing for general audiences is intended to inform and expand the horizons of the reader.
