问题
单项选择题
Which of the following people could tell the difference between a cultured pearl and an organic pearl
A．Scuba diver.
B．Fisherman.
C．Jeweler.
D．Clerk.
答案
参考答案：C
解析：[分析] 细节题型。 见文章最后一句：Cultured pearls are not easily distinguished from natural pearls except by an expert．只有专家才能区分出天然珍珠和人工培育的珍珠。珠宝商当然应是这类专家，所以选项C正确。A．Scuba diver戴水肺的潜水员B．Fisherman 渔民和 D．Clerk职员当然不是鉴别珠宝的行家了。