Correct option is B
Given:
In a certain code language, ‘all eyes on’ is coded as ‘yu re dc’ and ‘two eyes only’ is coded as ‘dc fr fe’.

So, the code of eyes is dc.
Thus, the correct option is (b).
In a certain code language, ‘phone error rate’ is coded as ‘ku ni pt’ and ‘pronunciationerror rate’ is coded as ‘pt jk ni’. How is ‘pronunciation’ coded in the given language?