'A' makes a letter to 'B' offering to sell his house for five lakh rupees. Even before the receipt of this letter, 'B' writes a letter to 'A' proposing to purchase the same house for Rs.5 lakh. Which of the following statements is correct in this situation?

• A. The contract is complete as both have agreed on equal terms
• B. An agreement voidable at the option of 'A' came into existence
• C. An agreement voidable at the option of 'B' came into existence
• D. No agreement created as there is offer from both sides and no acceptance from either side