如果網(wǎng)絡節(jié)點傳輸1M 比特數(shù)據(jù)需要0.002s，則該網(wǎng)絡的數(shù)據(jù)傳輸率為（ ?。?br />A.8Gbps B. 4Gbps C.800Mbps D.500Mbps
