---How is your plan getting along?
----I can’t carry on any longer. Someone must help me.
A. single
B. simply
C. alone
D. lonely
网友回答
A. single
B. simply
(答案→)C. alone
D. lonely
解析：考查副词辨析。A单个地；B简单地；C独自；D孤单地；句意：—你的计划进展如何？—我独自一人无法进行了。必须有人来帮助我。根据句意说明C正确。