参考答案

正确答案：A
解析：题型：词汇题。originate开创，如：They originated the plan．他们首先提出这一计划。stem滋生、阻止，如：Correct decisions stem from correct judgements．正确的决心来源于正确的判断。derive得自，起源，如：derive knowledge from books从书中获得知识；descend遗传、下降，如：He descended from the top of the mountain．他从山顶上走下来。