What is the wire transmission speed for 1000BASE-T Ethernet?

The Ethernet specification details several different unshielded twisted-pair media types What is the
wire transmission speed for 1000BASE-T Ethernet?

A.
1 Mb/s

B.
10 Mb/s

C.
100 Mb/s

D.
1000 Mb/s

E.
10000 Mb/s