形成腹股沟管外环是（）。
A.联合肌腱
B.腹横肌
C.腹内斜肌
D.腹外斜肌腱膜
E.皮下浅筋膜
参考答案：D
The Loisels did what they could ___ the debts.
A．to pay off
B．to pay for
C．paid off
D．paid for
现役军人获立功（受奖）奖励有何优待？
