Which of the phrases given below the sentence should replace the phrase printed in bold type to make it grammatically correct? If the sentence is correct as it is, mark 'E' as the answer.
This is one of the most important inventions of this century.
A.
invention of this century
B.
invention of these century
C.
invention of centuries
D.
invention of the centuries
E.
No correction required
Correct answer is E
No explanation has been provided for this answer.
