Hong Kong students sitting the citizenship and social development paper in university entrance exams on Tuesday were tested on the “One Country, Two Systems” governing principle, as well as contemporary topics such as e-commerce, online influencers and the new economy. About 50,300 candidates sat the CSD paper for the Diploma of Secondary Education (DSE) this year, up from 48,000 last year. While foundational national education concepts remained central to the paper, educators noted a noticea...