Some questions that adverbs answer are; How, When, What, Why.
Answer:
I beleive the best way you can access websites in Iran is to use VPN. You should try it if you have'nt. A VPN allows you to create a secure connection to another network over the Internet. VPNs can be used to access region-restricted websites also.
The answer would be A) Adverb.
How they look
who their freinds are
how much money they have