Alice received an invitation from her boss,__________came as a surprise.
A.it B.that C.which D.he
Alice received an invitation from her boss,__________came as a surprise.
A.it B.that C.which D.he
C
此句为非限制性从句，不能用 that修饰，而用which。it 和he 都使后句成为句子，两个独立的句子不能单以逗号连接。况且选he句意不通。