What does twisted pair cabling consist of?

A.
One insulated wire in a regular spiral pattern

B.
Two insulated wires in a regular spiral pattern

C.
Three uninsulated wires in a regular spiral pattern

D.
One uninsulated wire in a regular spiral pattern

Explanation:
Twisted pair cabling is a relatively low-speed transmission medium,
consisting of two insulated wires that are arranged in a regular spiral pattern.