单选题 Bret Harte, (which) best-known works describe life in California in the mid-1800's, (helped shape) the (literary) movement (called) local-color writing.
【正确答案】 A
【答案解析】此题考查定语从句引导词。引导词前的先行词为人名，引导词后是名词短语，应将which改为whose。