题目内容

张某，女，19岁。因急起高热，显著头痛、肌痛、关节痛、乏力、咽干、食欲减退2天，伴鼻塞、流涕。眼结膜及咽部充血，肺部可闻及干啰音，拟诊"流行性感冒"。该病传染期一般持续（）

A. 3天
B. 4天
C. 1周
D. 2周
E. 3周

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