In a donation activity to the southern snow disaster-affected area, a charity organization received an anonymous donation of 10,000 yuan. After investigation, the organization found that it was donated by one of the four people A, B, C, and D. When verifying them, members of the charity organization found that their statements were contradictory. A said: Sorry, this money was not donated by me. B said: I guess the money must have been donated by D. C said: B's income is the highest, and it must be B's donation. D said: B's statement has no basis.
the real donor?
A