With no explanation, chose the best option from "A", "B", "C" or "D". shall be available to all school districts in the commonwealth on an advisory basis, and shall be filed with the clerk of the house of Representatives, the clerk of the Senate, and the House and Senate chairmen of the joint committee on education, arts, and humanities not later than March 1, 1999. 1998 Mass. Acts 1154 (emphasis added). 2 . It is clear from the Complaint that plaintiff ATAA knew in August, 1999, of the removal of the contra-genocide websites from the Curriculum Guide and, therefore, of the alleged injury to it olicy that would constitute a systemic violation. As with serial violations, a plaintiff seeking to establish a systemic violation must allege more than the lingering effects of a past violation. See Muniz-Cabrero v. Ruiz, 23 F.3d 607, 611 (1st Cir.1994) (<HOLDING>). Only a violation in 1999 is alleged by the

A: holding that an employer in an employment discrimination case may not justify its conduct based on evidence that did not motivate it at the time of the employment decision
B: holding that the defendant did not deprive the plaintiff of a property interest in his continued employment because the plaintiff voluntarily resigned when he refused to report to work after being transferred to a new position
C: holding offer of continued atwill employment did not constitute consideration for the arbitration agreement
D: holding in an employment discrimination case that the continued employment of the plaintiffs rival in a position previously held by the plaintiff did not constitute a systemic violation
D.