For which of the following, the length of the string is not equal to the length of the longest palindromic subsequence?a) A string that is a palindromeb) A string of length onec) A string that has all the same letters(e.g. aaaaa

• A. A string that is a palindrome
• B. A string of length one
• C. A string that has all the same letters(e.g. aaaaaa)
• D. Some strings of length two