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题目内容
California's building codes are more _____________ than those elsewhere in the United States to ensure that structures are capable of protecting people from frequent seismic events.
- Acircuitous
- Bexacting
- Ccontroversial
- Dstringent
- Econvoluted
- Fextensive
B,D显示答案
以上解析由 考满分老师提供。