9.算式2.5÷[($\frac{1}{5}$-1)×(2+$\frac{1}{2}$)]之值为何?( )
0 283859 283867 283873 283877 283883 283885 283889 283895 283897 283903 283909 283913 283915 283919 283925 283927 283933 283937 283939 283943 283945 283949 283951 283953 283954 283955 283957 283958 283959 283961 283963 283967 283969 283973 283975 283979 283985 283987 283993 283997 283999 284003 284009 284015 284017 284023 284027 284029 284035 284039 284045 284053 366461
| A. | -$\frac{5}{4}$ | B. | -$\frac{125}{16}$ | C. | -25 | D. | 11 |