Directions: 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 that need to be interchanged to make the sentence grammatically correct and meaningful. 

In times of (A) instinct, these are the kinds of decisions families are (B) confronted with when one or both parents are health care workers for whom the nature of their (C) courageous line of work means (D) balancing public service with the (E) crisis to look out for one’s own family.