A department-level agency plans to send 1 person to study overseas for public management. The most suitable candidate should have the following conditions: male; proficient in a foreign language; familiar with the local culture. There are 4 directors with high professional levels A. B, C, Ding finally entered the interview session. Of the 4 people, 3 were men, 2 were proficient in a foreign language, and 1 was familiar with the local culture. Each interviewee met at least 1 condition. Known: (1) A and B's foreign language ability Same; (2) B and C have the same gender; (3) C and D are not all males. After inspection, only 1 person met all the conditions and was successfully sent overseas. Based on the above information, it can be concluded that who was sent to study abroad? ['A.', 'B.', 'C.', 'D.']