Point P is 5 m towards the South of Point M. Point Q is 3 m towards the East of Point P. Point O is 3 m towards the East of Point M. Point N is 2 m towards the South of Point Q. A person, facing North, takes a left turn from point M, walks 4 m and stops. He then takes another left turn, walks 5 m and stops at point R. Which of the following points, including R, fall in a straight line?

• A. Q, P, R
• B. R, O, Q
• C. N, R, P
• D. M, O, R