Final answer:
The statement is true as proactive salespeople and sales managers aim to participate in marketing decisions rather than just complain, ensuring alignment with sales goals and organizational mission.
Step-by-step explanation:
The statement that proactive salespeople and sales managers prefer to participate in marketing decisions and keep communication lines open, rather than complain about poor marketing programs, is true. By participating actively, these professionals can ensure their views and experiences are incorporated into the marketing strategy, which might lead to better alignment with sales goals and improved overall performance. Salespeople and managers often strive to be resourceful and proactive, conveying their interest in the organization's mission while seeking out ways to contribute to priority areas, particularly in marketing decisions.