This page may contain third-party content, which is provided for information purposes only (not representations/warranties) and should not be considered as an endorsement of its views by Gate, nor as financial or professional advice. See Disclaimer for details.
https://www.gate.io/tr/activities/quiz-challenge-learn?invite_uid=13975119&nk_name=%E6%B6%A8%E9%A3%9E&ch=LearnQuiz_20230614
answer: AAB