please, include the explanation with the answer.

BST Key Comparisons - Worst Case Unanswered Consider a BST containing 65536 words, of which 85 begin with the character sequence EX. The BST's alphabet is limited to the 26 upper- case letters A-Z, and the longest word in the BST is 42 letters. What is the worst case of the number of key-comparisons to search for the word EXAMINATION? B 16 65536 Submit