Which of the following is the sequence at the end of the second pass when the insertion sort algorithm is used to sort the list 4, 2, 6, 7, 5?
a) 2, 4, 5, 6, 7
b) 2, 4, 6, 5, 7
c) 2, 4, 5, 7, 6
d) 2, 6, 4, 5, 7