19 Max ... the guitar while Ann was talking on the phone. A played B had played C was playing

Для ответа на вопрос необходимо выбрать подходящий вариант из предложенных.

Фраза "Max ... the guitar while Ann was talking on the phone" означает "Макс... на гитаре, пока Анна разговаривала по телефону".

Подходит вариант C was playing.

Ответ: C was playing