16. What is the main idea of the passage?
(A) Instant noodles are becoming healthier because of new technology.
(B) Although instant noodles are unhealthy, they remain popular for several reasons.
(C) Plant-based diets will soon replace instant noodles worldwide.
(D) Scientists and food companies agree that instant noodles should be avoided.

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統計： A(0), B(1), C(0), D(0), E(0) #4017214