Rewrite sentences without changing the meaning

Peter said: “I will try to learn hard to pass the entrance exam.”

• A. 
  Peter said that he would try to learn hard to pass the entrance exam.
• B. 
  Peter told that he would try to learn hard to pass the entrance exam.
• C. 
  Peter asked that he would try to learn hard to pass the entrance exam.
• D. 
  Peter talked that he would try to learn hard to pass the entrance exam.