In the question below, an incomplete statement (Stem) followed by fillers is given. Pick out the best one which can complete the incomplete stem correctly and meaningfully.

Despite his best efforts to conceal his anger ......

A.

we could detect that he was very happy

B.

he failed to give us an impression of his agony

C.

he succeeded in camouflaging his emotions

D.

he could succeed in doing it easily

E.

people came to know that he was annoyed

Correct answer is E

No explanation has been provided for this answer.