Is Greta smug as a bug in a rug?

STUDENTS of human nature, pay attention. Please describe the expression on Greta Thunberg’s face (left) when she was carried off by police during a demonstration against a coal mine in Germany this week.

Was Greta: a. Secretly pleased, trying not to show it b. Secretly pleased, didn’t care who knew it c. Absolutely delighted d. Smug as a bug in an ethically tufted rug e. Thrilled, job done f. All of the above.