'A' sends the telegram to rescind his offer to 'B', which 'B' receives after leaving his letter of acceptance in the post. 'B' also sends to 'A' the telegram to rescind his acceptance, which 'A' receives after B's letter of acceptance is reached. Choose the correct answer-

• A. There was no contract between 'A' and 'B'
• B. A contract was made between 'A' and 'B'
• C. Contract is voidable at the will of 'A'
• D. Contract is voidable at the will of 'B'