腹膜刺激征是（）。

A.腹式呼吸消失，腹肌紧张和压痛

B.腹式呼吸消失，压痛和反跳痛

C.腹肌紧张，压痛和反跳痛

D.腹部膨胀，腹肌紧张和反跳痛

E.肝浊音界消失，腹肌紧张和压痛

A．(A) They were boring.

B．(B) They were good lecturers.

C．(C) They seldom asked questions.

D．(D) They talked too much in class.