A、Next year. B、Soon. C、When she finishes writing. D、After he visits her. C事实题。女士提到“我一做完论文就邀请你去我家”，由此可知C为正确答案，而男士的话则是干扰项。

W: There is a table for eight over there. I think Tom should have invited Mary to the party, don’t you?
M: It’s none of our business. If Tom had wanted to invite her, he would have.
Q: What did the woman say about Tom?

W: I’ll invite you to our country house as soon as I finish my thesis.
M: At the rate you write, that may be next year.
Q: When is he invited?