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题目内容
A single, cheap tablet combining a range of drugs that protect against heart disease was _____________ years ago, but pharmaceutical companies were reluctant to undertake the project because it failed to provide sufficient financial incentive.
- Abanned
- Bbroached
- Cproscribed
- Dproposed
- Eauthorized
- Fdeveloped
B,D显示答案
以上解析由 考满分老师提供。