Sentence Correction - Verbal and Reasoning

Directions to SolveWhich of phrases given below each sentence should replace the phrase printed inboldtype to make the grammatically correct? If the sentence is correct as it is, mark 'E' as the answer.
Q1:

They were all shocked at his failure in the competition.

A were shocked at all

B had all shocked at

C had all shocked by

D had been all shocked on

E No correction required

ANS:E - No correction required

No answer description is available.