If Japan Has Most-Favored Nation Status with the United States

If Japan has most-favored nation status with the United States, its exports are:

A) subject to lower U.S.tariffs than are exports from any other country.
B) subject to the same U.S.tariffs as other nations that have been granted most-favored nation status by the United States.
C) subject to higher U.S.tariffs than exports from any other country.
D) not subject to any U.S.tariffs.