单项选择题

An inverting amplifier with +11 V supply voltages normally has a sinusoidal output of 10 VPP. When checking the circuit with an oscilloscope, you find that the output is 0 V. Which of the following could account for this problem?

A.R1 is open.
B.V1 = 0
C.R is shorted by a solder bridge.
D.All of the above
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