Select the most appropriate idiom that can substitute the underlined segment in the given sentence. Her explanation was so convoluted that it left everyone confused.

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Select the most appropriate idiom that can substitute the underlined segment in the given sentence.

Her explanation was so convoluted that it left everyone confused.

Ascratching their heads

Bturning a blind eye

Cstealing the show

Dbiting the bullet

Answer:

• When someone is confused by a complex explanation, they are figuratively "scratching their heads."