Which of the following countries shares the territorial boundaries with Afghanistan?
1. Tajikistan
2. Iran
3. Kyrgyzstan
4. Turkmenistan
Select the correct answer using the code given below.
1
2 and 3 only
2
1, 2 and 4 only
3
2, 3 and 4 only
4
1, 2, 3 and 4