Read the excerpt from "Lise Marie de Baissac."

After eleven months, the Gestapo became suspicious. Remaining cool under the threat of capture, Baissac was able to return to England unharmed. There she helped to train new agents in parachuting. After recovering from a broken leg sustained during training, she completed other missions, including one in Normandy, France, where she worked with her brother Claude.

Based on this excerpt, which word best describes Baissac?

impulsive
unsteady
excitable
resilient