Tom is a volcano, ready to explode. Is it a metaphor, simile, onomatopoeia, idiom or personification?

Which sentence uses all its nominative case pronouns correctly? a we live on the same street b them and rachel are good skaters. c the redskins fans in the family are fred and me d have joanne and him played tennis together before?

Based on this excerpt the authors are most likely to attempt to answer which question

Why can’t the man get the third fire started?