What is the primary advantage of using a cascade of filters?

A) It simplifies the design process.

B) It allows for achieving complex filter responses.

C) It reduces the cost of the system.

D) It eliminates the need for digital processing.

Answer: B) It allows for achieving complex filter responses.

Explanation: Cascading filters allows designers to achieve more complex and precise frequency responses by combining simpler filter stages, each tailored to a specific frequency range.