单选题 ______ you have finished your work, you are free to do what you like.
【正确答案】 C
【答案解析】[精解] 本题考查连词短语。for now意为“目前，眼下”；ever since意为“从那时到现在”；now that意为“既然”；by now意为“到如今”。只有选项C符合句意。