Effective teamwork and high productivity are good indications of positive A Socializing B Horizontal relationship C Reinforcement D Productivity?

B Horizontal relationship is the best answer, as it emphasizes collaboration and communication among team members, which are crucial for effective teamwork. A positive horizontal relationship fosters trust and mutual support, leading to higher productivity and better outcomes. In contrast, socializing, reinforcement, and productivity alone do not fully capture the essence of teamwork dynamics.