Choose the option nearest in meaning to the underlined words. Ohiokhen had a brainwave as to how she could deal with the problem

Choose the option nearest in meaning to the underlined words.
Ohiokhen had a brainwave as to how she could deal with the problem

Answer Details

The phrase "a brainwave" in the given sentence means "an idea." Therefore, the option nearest in meaning to this phrase is "an idea."