题目内容
（请给出正确答案）
[单选题]
与突触囊泡和突触前膜着位融合无关的物质是
A.突触蛋白
B.突触囊泡蛋白
C.突触结合蛋白
D.突触融合蛋白
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A、当图中不存在负权回路但是存在负权边时，Dijkstra算法不一定能求出源点到所有点的最短路。 When the graph doesn't contain circuit of negative weight, but contains the edge of negative weight. Dijkstra algorithm can't guarantee the correctness of the algorithm.
B、当图中不存在负权边时，Dijkstra算法能求出每对顶点间最短路径。 When the graph doesn't contain edge of negative weight, Dijkstra algorithm can calculate the shortest path of each pair of vertices.
C、当图中存在负权回路时，Dijkstra算法也一定能求出源点到所有点的最短路。When the graph contains the circuit of negative weight, Dijkstra algorithm can certainly calculate the shortest path form the single source to all the vertices.
D、Dijkstra算法不能用于每对顶点间最短路计算。Dijkstra algorithm can't be applied to calculate the shortest path of each pair of vertices.
