单选题 The performance was staged by a group of ______ who have been studying dramatics as a hobby.
【正确答案】 B
【答案解析】(amateur业余爱好者)。句意为：一群业余爱好者表演了这个节目，他们一直把学习戏剧作为一种业余爱好。A．professional专业人员；B．playwright剧作家；D．novice初学者。