I'm in the exam, I need a solution quickly, please

After running Breadth First Search on the following graph, using vertex U as the source. Which of the following is correct? w M . K N Z to Select one: a d[M]=3 and [M= Nd[N]=2 and I [N]= Z d[W]=3 and 7 [W]=N b. d[M]=1 and 1 [M]=U [N]=3 and ( [N]= W d[W]=2 and I [W]= X c. d[M]=1 and 1 [M]= U :d[N]=2 and 1 [N]= Za[W]=2 and 17 [W]= X d none