I would say C because, clearly the mother wanted to find her lost children. It could also be A just because they were sold so it could be the cost of a human life. I think C would be the safest answer just based of context of the mother and the children with them be sold.
There is no way that the French Revolution was peaceful and short. The French Revolution became violent after the execution of King Louis XIV, later brining the start of the reign of terror. A time where there were mass executions of people not accepting and supporting the revolution.
