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.

(A)Under Chief Executive Officer Tim Cook, Apple has (B)filings expanded its research and (C)development budget, spending $16 billion in the 2019 fiscal year, an increase of 14% from the (D)prior year, according to the company (E)rapidly.