题干
— Excuse me, is this seat taken?
— __________. That man got his books and left a few minutes ago.
A：I'm afraid so
B：I don't think so
C：I don't know
D：I hope not
答案(点此获取答案解析）
B
及时、何东旭、方招为革命烈士。三名烈士的壮举感动了无数国人，他们是践行当代大学生核心价值观的模范。这说明