Final answer:
The correct cable to connect a new LED television to a laptop computer is HDMI.
Step-by-step explanation:
The correct answer is a. HDMI. HDMI stands for High-Definition Multimedia Interface and it is the standard cable used to connect modern LED televisions to other devices such as laptops. HDMI cables transmit high-quality audio and video signals, allowing you to easily display the content from your laptop on your television.