Theoldmansaidthathewould________morepeoplewhowouldnothavetoomuchworktodointheweektocometodotheconstructionwork.
A.letB.promiseC.getD.make在线课程C
解析：
这题考查非谓语动词的用法：分析句子成分发现：that引导的宾语从句中宾语是more people who would not have too much work to do in the week to come而to do是宾语补足语，所以选项A和D都不可以，因为这两个词后面接省略to的不定式做宾语补足语，另外根据句意：老人说他会让下个星期没事做的人来做建筑工作。C项符合句意。