Your house is located at X and your school is located at Y. Although your school is just opposite but you cannot go straight because of the busy highway in between. So, you first go 125 m due south, then cross a 100 m long subway which is due east and finally reach your school at Y which is 125 m due north. With respect to school at Y your house at X is

• A. 100 m due east
• B. 100 m due west
• C. 125 m due north
• D. 125 m due south