This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper limb, Subject name: Anatomy
Which of the following two muscles contract together while climbing a tree? 
Select and explain. 
A. Latissimus dorsi and trapezius, B. Teres major and minor, C. Teres major and pectoralis major, D. Latissimus dorsi and Pectorals major
D: Latissimus dorsi and Pectorals major
Answer: D: Latissimus dorsi and Pectorals major 
Explanation: Latissimus dorsi action: Adduction, extension, and medial rotation of the shoulder as in swimming rowing, climbing, pulling, folding Pectoralis Major: Helps in climbingRef: BD Chaurasia; Volume 1; 6th edition; Table: 3.2 and 5.2