In the sentence, certain words are in bold and numbered from A to E, which are the possible pairs to be interchanged. Choose the pair(s) of words which need to be interchanged to make the sentence grammatically correct and meaningful.

The (A) flawed and invariably (B) unsuccessful process of (C) professional will be carried out at (D) completely wrong time of the year, flying in the face of (E) translocation standards.