According to the passage, as a child, Mark Zuckerberg ______.

Đáp án đúng: D 

Giải thích: Dẫn chứng “He developed an interest in computers at an early age and when he was twelve, created a messaging program which he named "Zucknet". His dentist father used it in his surgery so that his receptionist could inform him of the arrival of a patient without yelling across the room.” 

Dịch: Tạo ra một chương trình phần mềm cho nha sĩ.