根据句意及汉语提示完成句子

1. He is a________（毕业生）in medicine.

2. The winner will receive a prize to the________（价值）of  5 ,000 yuan.

3. They have a____（决定）that they'll try their best to  improve the equipment.

患者中年男性，高位复杂肛瘘切开挂线术后10天。查体：局部创面肉芽新鲜，橡皮线松弛。此时最佳处理方法是：

A．熏洗坐浴

B．拆除橡皮线

C．剪开挂线处

D．紧线

E．外用中药生肌长肉