Friday Q&A: Left-Behind "Christians"

Is it possible that some Christians won't be raptured?

Every Friday, I answer a common question related to the end times. Today’s is about the Parable of the Wise and Foolish Virgins and what it might represent.

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Question:

Is it true that when the Rapture takes place only half of the Christians will go while the other half remains? Would that be because some Christians are like the five virgins with oil while the other five are without oil (Matthew 25)? What are the characteristics of those who will go and those who will remain?