The boss refused to sell the car for        he thought was not satisfactory.

A．what

B．that

C．which

D．how

桶状胸时胸廓的改变不包括

A．腹上角增大
B．肋骨的斜度变小
C．体型变矮胖
D．肋间隙增宽且饱满
E．胸廓前后径增加