But he isn't supposed to know that she remembers that. As far as he knows (from what she told him), she had a total blackout of those two days.
But it was Lois thinking that his previous response had been wishy-washy and unclear.
As far as Clark knows she has no memory of ever asking this question before, but we were discussing that Lois should have a clear answer, not what Clark thinks of the whole matter.
