The course that held the least risk of intolerable annoyance was to raise money on her necklace early in the morning, tell the Langens that her mother desired her immediate return without giving a reason, and take the train for Brussels that evening. 
The least risky course was to sell her necklace early in the morning, tell the Langens that her mother desired her immediate return without giving a reason, and take the train for Brussels that evening.
