文中第六段说“如果它是一本数学书的部分，意义将更为重大”，对“更为重大”理解最准确的一项是（)。
A．中国的乘法口诀表有了最早的实物证明。
B．印证了文献中所记载的春秋战国时乘法和乘法口诀已被运用。
C．证明《算术书》不是我国最早的数学专著。
D．我国最早的数学专著出现的年代将大大提前。
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