单选题
As previously suspected, the inhabitants of the region had been hunter-gatherers living relatively ________lifestyles.
【正确答案】
D
【答案解析】形容词辨析题。solitary一词表示“独自的，单独的”，常与life或lifestyle搭配，故D为答案。separated意为“(和某人)分居的”，remote意为“遥远的”，lonely意为“孤独的”，这三项均不符合语境，故可排除。