The doctors' growing success in treating the Acpias Virus and the recently developed vaccine suggest that this disease might not be as virulent as the press initially reported.
                    
                
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                Avaccine suggest that this disease might not be as virulent as the press initially reported
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                Bvaccine suggests that this disease might not be so virulent as the press initially has reported
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                Cvaccine suggest that this disease might not be as virulent as had been initially reported by the press
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                Dvaccine, suggesting about this disease that it might not be as virulent as initially reported in the press
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                Evaccine, suggesting that this disease might not be as virulent as initially reported to be by the press
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                        显示答案
        正确答案: A