Which of the following is an alphebetical data?

The alphabetical data in the given options is "Bed". Alphabetical data refers to any sequence of letters from the alphabet. In this case, "Bed" consists of the letters "B", "e", and "d", all of which are letters of the English alphabet. The other options are not alphabetical data. "Ax44jj" includes a combination of letters and numbers, but it is not a sequence of letters from the alphabet. Similarly, "AB+CD" includes letters, but it also includes a symbol, which is not a letter from the alphabet. Finally, "%" is a symbol and not a letter from the alphabet.