。
She had an audition last week.
Literal
She [topic-は] last-week audition [object-を] took.
受ける (うける) means 'to receive' or 'to undergo' — here used in the sense of 'to take' an audition. This is the standard verb for taking tests (試験を受ける), auditions, interviews, and other evaluative processes where one submits oneself for judgment. オーディション is a loanword from English 'audition.'