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