下列关于B型胃炎的病因说法正确的是
A．自身免疫
B．肠道细菌感染
C．幽门螺杆菌
D．NASID
E．胆汁反流
参考答案：C
The girl had been suffering from the lung cancer, yet she acted as if nothing__________ to her while we were together.
A．happened
B．would happen
C．has happened
D．had happened
龙腾虎跃lónɡ ténɡ hǔ yuè
