下列指标的变化与急性胰腺炎严重程度平行的是
A．血清脂肪酶升高
B．尿淀粉酶升高
C．血清淀粉酶升高
D．血钙降低
参考答案：D
The whole class greatly moved at his words. [ ]
A. is
B. are
C. was
D. were
亚里士多德
