C is the complex sentence because it contains the word while and an independent and dependent clause! :)
Answer:
The formal letter is written for business or professional purposes with a specific objective in mind. It uses simple language, that can be easy to read and interpret. On the contrary, informal letters are written to friends and relative for personal communication and uses a casual or an emotional tone
Answer:No, college athletes should not be payed to play.
Explanation: They shouldn’t be payed to play because they save so much money from scholarships.