Many people are ______ to insect bites, and some even have to go to hospital. [2000]
【正确答案】 B
【答案解析】解析：很多人都对昆虫的叮咬过敏，因此allergic“过敏的”符合题意。insensiftve“不敏感的”；sensible“明智的”；infected“感染的”。