题目：计算 -1\frac{1}{7}×  ( {\frac{7}{8}+1\frac{3}{4}-\frac{7}{12}} ) 的结果是( )
选项：
bullet: A
text: -\frac{7}{3}
bullet: B
text: 0
bullet: C
text: 1
bullet: D
text: \frac{5}{7}
答案：A
解析：解:原式=- \frac{8}{7}× \frac{7}{8}-\frac{8}{7}× \frac{7}{4}-\frac{8}{7}×  ( {-\frac{7}{12}} )=-1-2+ \frac{2}{3}=- \frac{7}{3}. 故选:A.