属于大网膜的韧带是（）
A.肝胃韧带
B.肝十二指肠韧带
C.胃结肠韧带
D.肝圆韧带
E.肝镰状韧带
参考答案：C
_________ her child's education, she had to work and so was not often at home. [ ]
A. To pay for
B. Pay for
C. Being paid for
D. Paying for
当采用重型击实试验时，粉质粘土垫层的压实系数λC可取（）.
A.≥0.94
B.≥0.95
C.≥0.96
D.≥0.97
