Suppose That a Country Has a Low Ratio of Trade

Multiple Choice

Suppose that a country has a low ratio of trade to GDP.Which of the
Following may be a possible explanation for this?
I.The country has high import tariffs on imports.
II.The country is geographically distant from the rest of the world.
III.The country is small.

A) I
B) II
C) III
D) I and III