Which of the following statements about carriers is false?

Which of the following statements about carriers is false?
A . A carrier is an electromagnetic wave that is modulated to transmit a signal. and its waveform is typically a sine wave.
B . Carrier signals can be produced by modulating the three components (frequency bandwidth frequency, and phase) of electromagnetic waves.
C . Carriers are the physical basis and bearer tool for transmitting voice and data information.
D . The receiver end needs to parse carrier signals to obtain data.

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Answer: C