|Question 3Verbal

Source Texts

Text
Although fewer companies trade their stocks on the Tehran Stock Exchange in Tehran, Iran, than on the stock exchanges in London, Mumbai, or Tokyo, the Tehran Stock Exchange has the advantage of focusing on local companies and thus reflecting economic circumstances that are _____ Iran. This sensitivity to unique, rapidly evolving local conditions benefits the companies and investors alike.
Which choice completes the text with the most logical and precise word or phrase?
irrelevant to
A
prohibitive in
B
distinctive to
C
unchanging in
D