单选题 Our plan didn't get up the ground because no one could come.

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