Final answer:
'The Other Wife' positions Alice and Marc's ex-wife at the center of the action by emphasizing their roles in Marc's life. Their appearances, words, and silence, concerns, ambivalence, and meaning to Marc elevate them above all else happening around them.
Step-by-step explanation:
'The Other Wife' positions Alice and Marc's ex-wife at the center of the action by emphasizing their roles in Marc's life. The story highlights their appearances, words and silence, concerns, ambivalence, and their meaning to Marc, elevating them above all else happening around them. Their significance is not downplayed or ignored, but rather highlighted and explored in the narrative.