Concept:The idiom “bag and baggage” means taking all one’s belongings along while leaving.Explanation:The phrase “bag and baggage” refers to leaving a place with all of one’s possessions.It does not mean leaving children behind or going without informing anyone.In the sentence, Nina had gone away “bag and baggage,” so she took all her belongings with her.Therefore, the correct meaning is “with all her belongings.”Answer:D. with all her belongings.