This is one of the best films ________ this year．
A.which has appearedB.that have appearedC.which have appearedD.that have been appeared在线课程B
最高级修饰先行词时，关系词用that而不用which。定语从句中的谓语动词应与先行词保持一致，故用have，不用has。appear是“出现”的意思，不用被动语态。