(A) innocent (B) not know (C) he  (D) whether (E) is

Correct option is B

Explanation:

"He is whether is innocent not know..." which resolves, grammatically, as "Whether he is innocent, not know," fitting best for an English sentence.

Information Booster:

Conditional and declarative clauses are common English patterns checked in sequencing exercises.

Additional Knowledge:

Incorrect options muddle which subject relates to innocence or lack of knowledge, making statements unclear.