—What should we pay more attention to if we go north in winter, Mum?—Nothing much. Take w

—What should we pay more attention to if we go north in winter, Mum?
—Nothing much. Take warm clothes
the weather is cold.
A. as long as
B. now that
C. if
D. in case

A. as long asB. now thatC. if(答案→)D. in case解析：本题主要考查连接词的意义及对句子间的意义、关系的理解。as long as 意思是“只要”，表示条件；now that 意思是“既然；由于”，表示原因；if意思是“如果”，表示条件；in care意思是“以防，万一；免得”，表示条件。根据句子间的意义及关系可知本题的正确答案选D。

回答的不错