the plan has been made, let’s get down to it out.
A. Now that; carry
B. Because; carry
C. Since; carrying
D. Now; putting
网友回答
A. Now that; carry
B. Because; carry
(答案→)C. Since; carrying
D. Now; putting
解析：get down to（doing）sth.表示“开始认真做事”，now（that），since均表示“既然，由于”。