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What are multistage amplifiers also known as?

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What are multistage amplifiers also known as?

(a) Common collector amplifier

(b) N – stage amplifier

(c) Common base amplifier

(d) Common emitter amplifier

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This interesting question is from High Frequency Response of Multistage Amplifiers in division Frequency Response of Electronic Devices & Circuits

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Right option is (b) N – stage amplifier

Explanation: A single stage of amplifier provides an insufficient current gain or voltage gain. Several amplifier stages connected in cascade are used instead. Hence it is known as an n – stage cascading amplifier or multistage amplifier.

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