单选题 ______ both men and women have often achieved their career ambitions by midlife, many people are afflicted by at least a temporary period of dissatisfaction and depression.
A. Because B. However C. Whether D. Nevertheless

【正确答案】 A
【答案解析】because因为。however然而，可是。whether是否，不论。nevertheless然而，不过。本句含有因果逻辑关系，因此用连词because连接两个句子。