_________ and _____ are the reasons for the slowdown of the Pakistan economy since independence.

These are the options for the question :_________ and _____ are the reasons for the slowdown of the Pakistan economy since independence.

I. political instability
II. over-dependence on remittances from abroad
III. stable performance of agriculture sector
IV. growth of service sector

Alternatives:
a) I and II b) II and III
c) III and IV d) I and IV

The correct answer is -a) I and II