56. According to the passage, which of the following is TRUE for bilingual people? (A) Those who spoke different languages used the same part of Wernicke’s area. (B) Those who spoke different languages always used the same part of Broca’s area. (C) Those who spoke the same language never used Broca’s area and Wernicke’s area. (D) Those who spoke different languages always used different parts of Wernicke’s area.