Question

for some of us, taking greater action might mean joining one of the many development and environmental groups who constantly cajole and seek to ______ politicians to take faster and deeper action on climate change. source: bbc persuade contact display celebrate

Explanation:

The context implies that development and environmental groups want politicians to take more action on climate - change. "Persuade" means to convince someone to do something, which fits the idea of getting politicians to act. "Contact" just means to reach out, not necessarily to get action. "Display" and "celebrate" are not relevant in this context of getting action on climate - change.

Answer:

A. persuade