His mother says, “Listen to me __________. Make sure to be __________ with matches.”

A．careful; careful

B．carefully carefully

C．careful; carefully

D．carefully; careful

下列哪种疾病可导致纵隔摆动（）

A.张力性气胸

B.闭合性气胸

C.多根多处肋骨骨折

D.进行性血胸

E.肺爆震伤