33. Comparison of the above four constructs (I, II,III , IV) for the transcription of mRNA of gene A, which of the following ; is in a correct order for the expression of gene A (From high to low)?
(A) I,II,III,IV
(B) IV,III, II,I
(C) II,I, III, IV
(D)III,II, I,IV
(E) I, II,IV,III
.