腹膜炎引起的肠梗阻属于（）
A.机械性绞窄性肠梗阻
B.机械性单纯性肠梗阻
C.麻痹性肠梗阻
D.血运性肠梗阻
参考答案：C
My cousin has _______ Project Green Hope since two months ago.
A．joined
B．taken part in
C．been in the
D．been a member of
