【Answer】Solution: (1) All four options are 8-digit numbers;
(2) All four options are multiples of 25, the sum of the digits of $C$ is 35, which is not a multiple of 3. Exclude $C$;
(3) All satisfy the condition;
(4) All satisfy the condition;
(5) $A, D$ are equal and do not meet the condition;
(6) $B$ meets the condition.
Therefore, the answer is: B.
11. (10 points) Can you find the password of the treasure box based on the following clues?
(1) The password is an eight-digit number;
(2) The password is a multiple of both 3 and 25;
(3) The password is between 20000000 and 30000000;
(4) The digit in the million place is the same as the digit in the hundred-thousand place;
(5) The digit in the hundred place is 2 less than the digit in the ten-thousand place;
(6) The three-digit number formed by the digits in the ten-thousand, thousand, and hundred places divided by the two-digit number formed by the digits in the ten-million and million places is 25.
Based on the above conditions, the password should be ( )
A. 25526250
B. 26650350
C. 27775250
D. 28870350