单选题 Our plan didn't get up the ground because no one could come.
A. get over B. get on
C. get off D. get through

【正确答案】 C
【答案解析】[解析] 习语搭配
A．get over爬过，克服，熬过，恢复；B．get on生活，融洽相处，进展；C．get off开始，(使)取得进展，出发；D．get through到达，做完，打通；因此选项C为答案。