WAVY green lines under words indicateAGrammatical mistakesBContextual Error/StyleCspelling errorsDNone of the aboveAnswer: A. Grammatical mistakes Read Explanation: Types of UnderlinesIn many applications, the software uses different colored underlines to indicate specific types of issues:Line Color/StyleIndicationCommon ExampleWavy RedSpelling Error"The cat jumpd over the fence."Wavy BlueGrammar Error"The cats is chasing the mice."Wavy GreenContextual Error/Style"The affective of the change." (Often used for potential misuse of homophones.) Read more in App