In each question, one sentence is given in which certain words are in bold and numbered from A to E. Below the sentence are given five options with possible pairs of interchange of those bold words. Choose the pair(s) of words which are needed to be interchanged to make the sentence grammatically correct and meaningful.

Soon after its (A)launch, Reliance Jio had launched a (B)dominance tariff war, which allowed it to (C)beating its (D)disruptive in the market, while Airtel and VIL’s finances took a (E)establish.