Is the preposition being used as an adjective or adverb? mathew naps after lunch. ("after lunch" is the preposition)

Which if the following can you infer about maggie?

One of the girls brought some candy for you. the prepositional phrase(s) is/are __

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.