My mother chose to be a stay-at-home mom, _______ my father barely made enough to keep us afloat.
(A) while (B) because (C) although (D) unless
我的母親選擇成為一個全職媽媽，雖然我父親的收入只能讓我們勉強維持生計。
從屬連接詞 although - “雖然，儘管” 有「對比」的意思。
