给下列加横线的字选择正确的读音 恬 静

A．Exports of natural gas from the U．S． would force the world-wide price of natural gas to an equilibrium and reduce the price of natural gas for consumers in the U．S．B．Exports of natural gas from the U．S． would result in higher prices for natural gas, benefiting producers and exporters of natural gas in the U．S． and harming consumers of natural gas in the U．S．C．Exports of natural gas from the U．S． would force the world-wide price of natural gas to an equilibrium which would mean that producers of natural gas in the U．S． could not charge more than the cost to produce the natural gas．D．The U．S． government would eventually have to prohibit exports of natural gas to foreign countries in order to control the price of natural gas．