Final answer:
c) Short-term thinking
Short-term thinking is the strategy that does not help companies get the most benefit from their contributions, as it undermines long-term planning and sustainable business practices.
Step-by-step explanation:
The strategy that does not help companies get the most benefit from their contributions is c) Short-term thinking. Effective corporate social responsibility strategies, like strategic philanthropy, employee volunteer programs, and cause-related marketing, are built on long-term planning and integration into a company's core values and business model. Short-term thinking often undermines these efforts and does not align with the sustainable business practices that yield long-term benefits for both companies and communities.