题目：This photograph ＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿ in the fifties of the last century. You can judge by the clothes people wear.
- A. may be taken
- B. might have taken
- C. must have taken
- D. must have been taken
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