Q10 Single choice Mark for later Which of the following best describes the map method input and output? A It accepts a single key-value pair as input and can emit only one key-value pair as output. B It accepts a list of key-value pairs as input hut run emit only one key value pair as output. C It accepts a single key-value pair as input and emits a single key and list of corresponding values as output D It accepts a single key-value pair as input and can emit any number of key-value pairs as output, including zero. Correct answer