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. 

Climate advocates (A) accepted the summit’s (B) delay but they said as countries move past their response to the public health (C) crisis and (D) undermine on recovering economically, those policies should support the promises they made in Paris five years ago and not (E) refocus them.