单选题 数据传输率是网速快慢的主要指标,1Gbps约等于()

A、 HYPERLINK "https://mooc1-2.chaoxing.com/mooc-ans/work/javascript:void(0)" 1×103Kbps
B、 HYPERLINK "https://mooc1-2.chaoxing.com/mooc-ans/work/javascript:void(0)" 1×103Mbps
C、 HYPERLINK "https://mooc1-2.chaoxing.com/mooc-ans/work/javascript:void(0)" 1×109kbps
D、 HYPERLINK "https://mooc1-2.chaoxing.com/mooc-ans/work/javascript:void(0)" 1×106Mbps
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