Match List-I with List-II for the co-tree branches 1, 2, 3 and 8 of the graph shown in the given figure and select the correct answer using the options given below:

List-I	List-II
a. Twigs	1. 4, 5, 6, 7
b. Links	2. 1, 2, 3, 8
c. Fundamental cut-set	3. 1, 2, 3, 4
d. Fundamental loop	4. 6, 7, 8