In the following question, two sentences are given with some underlined phrases which are correct. Phrases of sentence Il could replace phrases of the sentence I without altering the original meaning of the sentence. Select the option that has the correct pair/s of phrase replacement.

I. But as he was departing(A), after negotiating his business, he noticed(B) that though one end of the moneylender’s mustache had come down(C) at his behest, the other end was still up(D).

II. Of course, there were two sides(E) to every story, but from what he had observed(F) that firsthand, she was right.