She led the small string of passengers filing out of the Time Air plane at the Lethbridge airport. Her traveling bag dangled from her shoulders. Clutching her briefcase and her small-brimmed hat, she lowered her head like a bull against the wind. . . . A small tank of a woman with a Winston Churchill stoop.

Read the excerpt. Which word best describes the mood in this part of the text?

tense
sad
determined.
frightened