The majority of nurses are women, but in the higher ranks of the medical profession women are in a______.
【正确答案】 A
【答案解析】解析：minority“少数”；scarcity“稀缺”；rarity“罕见”；minimum“最小值”。根据题意，but后面应该是说医学专业中女性应该是占少数的意思，故选A。