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Which statement is true about emitter modulator amplifier for amplitude modulation?

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Which statement is true about emitter modulator amplifier for amplitude modulation?

(a) operates in class A mode

(b) operates in class C mode

(c) operates in class B mode

(d) operates in class D mode

The question was asked by my college director while I was bunking the class.

Origin of the question is FM Receiver topic in section Receivers & Transducers of Analog Communications

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The correct answer is (a) operates in class A mode

To explain: Emitter modulator amplifier for AM operates in class A mode and also has very low efficiency. The output of this modulator is very small and therefore it is not suitable for modulation at a high level.

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