Which additional word in the sentence should be capitalized? this present from an old student of yours is for you, professor. a. you b. student c. professor d. present

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.