The correct option is D ethyl ethanoate
The following compound is ester R−COO−R′ and the naming of ester are done on the basis of alkanoate group (R−COO−) and alkyl (R′) combined to form ester.
The suffix for ester is "-oate". The full name of ester is like alkyl alkanoate.
Thus the name of given compound is ethyl ethanoate.