confused somebody please tell this Dijkstra

Question

Comments

i hope it helps..

---

point 3 ) please elaborate

Why we wont choose B

and in your pont 4 ) instead of B you choose next lowest is D

Please tell why ???????????

---

what i meant is,we will choose B ofcourse and then relax further edges,but i did nt SHOW it here because there is no use of it.

so i directly showed D.

Answer 1

here you go 

Answer 2