Which one answer below is a reason the lower court refused to allow plaintiff to amend his claim to add an allegation of damages to its present allegations against defendant?

a. Minnesota Rules of Civil Procedure do not grant trial judges such discretion b. Because, the trial court reasoned, that since pesticide drift cannot support a claim for trespass, there was no point in allowing such an amendment O c. Because the court assumed that the crops were still marketable as organic because EPA regulations allow a crop with under 5% residue to still be sold as such