They were making a plan to help those students , which attracted me.
A. in brief
B. in public
C. in action
D. in need
网友回答
A. in brief
B. in public
C. in action
(答案→)D. in need
解析：考查介词短语辨析。A简洁地；B公开；当众；C在运转，在操作；D需要；句意：他们正在制定一个帮助那些需要帮助的学生的计划，这对我很有吸引力。根据句意说明D正确。