试题来源：考博英语-116
【单选题】 The primordial fireball would have been a dense roiling stew of radiation and elementary particles condensing out of the ______ energy, annihilating each other, recondensing, then colliding and disappearing all over again.
A．colossal
B．audacious
C．ambient
D．autonomous
参考答案：A
网考网解析：
colossal巨大的，庞大的；audacious大胆的，鲁莽的；ambien... 查看试题解析出处>>
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