疾病发生的重要条件是( )
A．正气被伤
B．正气不足
C．邪气侵害
D．邪气九盛
E．邪盛正伤
参考答案：C
___________ in the leg made it impossible for me to walk as fast as usual.
A．Being injured
B．To be injured
C．Having injured
D．Injured
