单选题 When students engaged in group work, the teacher gave feedback after each group had stated their opinion and shown their output. This is called ______.
【正确答案】 D
【答案解析】[解析] 考查评价行为的概念。教师在每组陈述完观点后，给出自己的评价和反馈信息，这是“evaluating”评价行为。