题目内容：
What does the sentence “If it is not yet speeding discoveries, it is certainly accelerating communication” most probably mean? __________
A．A The quick speed of correspondence may have ill-effects on discoverie B．B Although it does not speed up correspondence, it helps make discoverie
C．C It quickens mutual communication even if it does not accelerate discoverie
D．D It shrinks time for communication and accelerates discoverie
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