Please provied me with the correct answer for this question?! and Thank you!

Pirates Emporium sued Caribbean Construction for breach of contract. During the pretrial phase, Caribbean emails Pirates with a proposed settlement. Pirates responds with an email indicating agreement. Two days later, however, Pirates sends another document to Caribbean with different settlement terms. Caribbean files a motion to enforce the original agreement. Do Pirates and Caribbean have a settlement contract? a. No because Pirates failed to sign the x settlement offer. b. No because Pirates indicated lack of consent by sending a document with new terms. c. Yes because Pirates agreed to the original terms of the settlement offer. d. Yes because Caribbean Construction can easily stop building ships for Pirates Emporium