His parents didn't send their children to school life was hard.A．if B．while C．because
问题描述：
His parents didn't send their children to school life was hard.A．if B．while C．because
有人说这三个答案都是错的，还有更好的答案吗
答
His parents didn't send their children to school ,——life was hard.A．if B．while C．because
选c 根据didn't was等过去式来看 because应该没问题,个人觉得作为解释原因,as 或者for 也可以