Correct option is A
In the given code language, the word 'TELEPHONE' is written as 'ENOHPELET', which is the reverse of the original word.
Following the same logic, to write 'ALIGATOR' in this code, we simply reverse the letters of the word.
'ALIGATOR' reversed is 'ROTAGILA'.
Thus, 'ALIGATOR' is written as 'ROTAGILA' in the code.
Final Answer:
(a) ROTAGILA.