17.计算(-2)÷(-$\frac{1}{2}$)×(-2)的结果是( )
0 287648 287656 287662 287666 287672 287674 287678 287684 287686 287692 287698 287702 287704 287708 287714 287716 287722 287726 287728 287732 287734 287738 287740 287742 287743 287744 287746 287747 287748 287750 287752 287756 287758 287762 287764 287768 287774 287776 287782 287786 287788 287792 287798 287804 287806 287812 287816 287818 287824 287828 287834 287842 366461
| A. | -8 | B. | 8 | C. | -2 | D. | 2 |