题目1单选题
如图所示的软件结构,如果采用深度优先,其模块组装的顺序为:<img src="https://tihai-oss-cloud.itihey.com/img/2aac62f61336b4b6626eab138f7a9560.jpg">A. M1→M2→M5→M9→M6→M3→M4→M8→M7B. M1→M2→M3→M4→M5→M6→M7→M8→M9C. M1→M2→M5→M9→M6→M3→M4→M7→M8