A,b,c, or d

1:59 0 . LTE (17 app.sophia.org Question Tutorials What is the result of this code? my_first_list = ['a', 'b', 'c'] my_second_list = ['d', 'e', 'f', 'g'] my_third_list = my_first_list + my_second_lis my_third_list. extend ( 'h' ) print (my_third_list [1:5]) a.) O [ 'b', 'c', 'd', 'e'l b.) An error, because extend is not a method O available for lists. C.) O ['a', 'b', 'c', 'd', 'e'l d.) O [ 'b', 'c', 'd', 'e', 'h'l