Which country is located in the west of Pakistan

Which country is located in the west of Pakistan
A: Afghanistan
B: Iran
C: India
D: None of these

Iran lies to the west and southwest of Pakistan sharing a long border with Balochistan and the Iranian province of Sistan and Baluchestan. Afghanistan lies to the northwest and north of Balochistan and Khyber Pakhtunkhwa. India borders Pakistan to the east. Accurate orientation aids in map based questions and regional affairs understanding.