当教员对学生进行评价时,应该如何进行? When an instructor critiques a trainee ,how

当教员对学生进行评价时,应该如何进行? When an instructor critiques a trainee ,how to conduct?

A.私下进行 Done in private

B.主观而非客观地进行 Subjective rather than objective

C.在学生操作结束后立即进行 Conducted immediately after the trainee's performance

正确答案是C