In 2011, for the first time, a number of foreigners touring Taiwan was in excess of that of Taiwanese going abroad.

題庫中本選項文字缺漏，但為官方公布之正確答案。依題幹語法，'that of' 中的 'that' 指代 'a number'，其後須接與 'foreigners touring Taiwan' 結構對稱的名詞片語，以維持平行結構，推測原題本選項應為符合此語法之正確片語。