If the first and second letters of the word, ‘CORRESPONDENCE’ were interchanged as well as the third and fourth letters, the fifth and the sixth, and so on, then which of the following shall be the tenth letter counting from right? [4052]

Q) If the first and second letters of the word, ‘CORRESPONDENCE’ were interchanged as well as the third and fourth letters, the fifth and the sixth, and so on, then which of the following shall be the tenth letter counting from right? Options: A)O B) P C) R D) S