If MOUSE is written as FTVPN, we have first reversed the word MOUSE to ESUOM, and then we have written the next letter of each letter ( E as F,S as T, and so on). Therefore, firstly RACKET can be written in the reverse order TEKCAR, and then we will write the next letter corresponding to each letter. Hence, RACKET can be written as UFLDBS. The correct answer is C