Step 1: Understanding the Channel Tunnel.
The Channel Tunnel, also known as the Eurotunnel, is an underwater tunnel that connects the United Kingdom with France. It runs beneath the English Channel.
Step 2: Connection details.
It links Folkestone in the United Kingdom (near London) with Coquelles near Calais in France (close to Paris). Hence, it connects London and Paris.
Step 3: Conclusion.
Therefore, the Channel Tunnel connects Paris and London. The correct answer is (C).