老年人腹膜炎的重要体征是（）。
A.腹式呼吸消失
B.腹部压痛、反跳痛
C.腹肌板状强直
D.腹胀，肠鸣音消失
E.腹胀，肠鸣音亢进
参考答案：D
_____ several times, he still could not make sense of it. [ ]
A. Having been told
B. Told
C. I le was told
D. Being told
数学表达式A*B2+eY的Visual FoxPro表达式是 [11] 。
