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. 

Enrollment is (A) dwindling. (B) Concerned are (C) mounting. And more closures are (D) looming: that’s the prediction of many higher-education experts, who are (E) deficits about the future of small private colleges in America.