单选题 Infection is the biggest threat to the life of a burn patient. The skin, the body's natural barrier against bacteria, is damaged or gone in the burned areas. The bacteria that are a threat are unpredictable in both variety and number. Moreover, those found affecting any one patient may change completely from one day to the next. The standard treatment, therefore, is the administration of broad-spectrum antibiotics. Considering only the information given about burn patients in the passage above, which of the following is most likely to enhance the effectiveness of the standard treatment of a burn patient?

A、 Keeping the patient in an air-conditioned room until recovery is assured.
B、 Keeping the areas affected by burns as dry as possible.
C、 Continuously monitoring the patient's vital signs with electronic equipment.
D、 Feeding the patient a diet extra rich in calories.
E、 (E) Keeping the patient in a maximally sterile environment.

【正确答案】 E

【答案解析】