Through which one of the following Straits, does a tunnel connect the United Kingdom and France?

The correct answer is C, the Strait of Dover. This strait is the narrowest part of the English Channel, marking the boundary between the Channel and the North Sea. It separates the south eastern coast of the United Kingdom from the northern coast of France. The Channel Tunnel, also known as the Chunnel, is an undersea rail tunnel that runs beneath the Strait of Dover, connecting Folkestone in Kent, England, with Coquelles in Pas de Calais, France. Regarding the other options: The Davis Strait separates Greenland and Baffin Island in Canada. The Denmark Strait separates Greenland and Iceland. The Strait of Gibraltar separates Spain in Europe from Morocco in Africa.