Which of the following is the MOST likely cause?

A technician is installing a new TV tuner on a Windows 7 HTPC and no channels are showing up. Which of the following is the MOST likely cause?
A. The TV cable is connected to the FM/AM input.
B. The TV tuner card does not support HD channels.
C. The TV tuner card is not properly seated.
D. The cable signal is too weak.

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