His production techniques are elaborate and near legendary, but even if they could be______, it wouldn't be the same for any other people.

【正确答案】 C

【答案解析】本题中，duplicate“复制”符合题意，如：He duplicated his former mistakes．(他又犯了和以前一样的错误。)resemble“像，类似”，approximate“接近，近似”，undertake“承担”都不正确。