Anwer: (C) 4

Solution

1, 3, 9 , 27

1 and 3 can major 2 as well and upto 4

Further since now we can have 4 in total

so 4 and 9 can major 13 max and 5 minimum, (3 and 9 can be used for 6 and 12), 

Same way since now we have all weight from 1 to 13 available the available, now with 27 minimum 14 can be weighed and maximum 41.