(单选题)

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A.recruited

B.wanted

C.chose

D.searched

参考答案：A

参考解析：

考查动词辨析。句意：现在，研究人员在珀斯招募了42对年轻，健康，久坐不动的双胞胎，其中30对是同卵，12对是异卵。recruited意为“招募”；wanted意为“想要”；chose意为“选择”；searched意为“搜寻”。根据语境可知，研究人员做研究，选择实验对象，A项比C项更合适，此处表示“招募双胞胎研究对象”。故选A。

知识点：

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