题目1单选题
同步时序电路中触发器的数目为N,状态数为M,则两者的关系为()A. <img src="https://tihai-oss-cloud.itihey.com/img/83e405626942c860570f559a5dd54e09.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/9292e2009b9a1628fc94acbcf0d396d5.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/faa77e34400f972b39cc9d018251d9bd.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/5fb7f740902edf4ff8d389f9a5b634dd.png">