"How long has this been going on?"
"Three months."
"Why did you not keep the letters yourself?"
"I was afraid of being found out!"
"Oh!" said the Reverend Mother, and laughed a little.
Her eyes went from Ragna, straight and proud, to Astrid, trembling violently, and gazing anxiously at her friend.
"And did you answer the letters?"
"Yes."
"Who posted them for you?" Silence.
"Come, who posted them for you?"