Slogans on public participation in eradicating corruption

What is the central idea in this advice from branch rickey to jackie robinson?  

Which statement best paraphrases these sentences from the text

Which sentence is written correctly? a. it's too bad its raining, i wanted too go for a swim. b. its too bad its raining, i wanted to go for a swim. c. it's too bad it's raining, i wanted to go for a swim. d. it's to bad it's raining, i wanted too go for a swim.