She would love to have gone to the party, but she _______ extra hours to prepare for a meeting

A.had to work

B.had worked

C.could work

D.would have worked

答案及解析： A

解析：

would love to do表示“将来愿做……”，would love to have done表示“过去原本想做……，但没有做到”，根据第一分句中的这一结构可知，事情应发生在过去，所以but后的分句时态应用一般过去时。