Peter’s jacket looked just the same as Jack’s，but it cost________his.

A．as much twice as

B．twice as much as

C．much as twice as

D．as twice much as

关于慢性脓胸哪项是错误的（）

A.脓液稠厚

B.脓胸局限包裹

C.脏壁层纤维板

D.排脓后肺膨胀不受限

E.纵隔向患侧移位