Amina Rides the NYC Subway for the First Time and Her

Amina rides the NYC subway for the first time and her train breaks down.She tweets about the dismal state of public transportation in New York.Although her frustration is understandable, which of the following rules of critical thinking has she broken?

A) be willing to ask any question, no matter how difficult
B) be willing to admit when you are wrong or uncertain about your results
C) avoid anecdotal evidence
D) think about the assumptions and biases--including your own--that underlie all studies