向大家请教一道题 我不太理解这个答案，，，，

If there is an oil-supply disruptionresulting in higher international oil prices, domestic oil prices in open-marketcountries such as the United States will rise as well, whether such countriesimport all or none of their oil.

Whichof the following conclusionsis best supported by the statement above?

(A) Domesticproducers of oil in open-market countries are excluded from the internationaloil market when there is a disruption in the international oil supply.

(B)International oil-supply disruptions have little, if any, effect on the priceof domestic oil as long as an open-market country has domestic supplies capableof meeting domestic demand.

(C) The oilmarket in an open-market country is actually part of the international oilmarket, even if most of that country’s domestic oil is usually sold toconsumers within its borders.

(D) Open-marketcountries that export little or none of their oil can maintain stable domesticoil prices even when international oil prices rise sharply.（C）

(E) Ifinternational oil prices rise, domestic distributors of oil in open-marketcountries will begin to import more oil than they export.