I think its b if I'm not mistaken
For a strong conclusion, you have to restate the thesis by making the same point with other words. Review your supporting ideas, then summarize all arguments by paraphrasing how you proved the thesis. Connect back to the essay hook and relate your closing statement to the opening one.
Have a beautiful day, and stay safe. v(⌒o⌒)v♪
The hypothesis in the statement is "then he will eat nachos." So, I'd go with D.
