收集下半身及左上半身的淋巴（）
A.胸导管
B.左、右腰干
C.淋巴导管
D.淋巴干
E.淋巴结
参考答案：A
The sentence "It's up to you" means "You are the person who ______."
A．makes the decision
B．is responsible
C．has the fight
D．is confident
A．a
B．b
C．c
D．都不正确
