The usage of at is the error
Explanation:
IN is for large spaces that can enclose (village, city, state, province, country, continent, mountain range, desert, zone, etc.)
ON is for surfaces.( street/avenue/road, most bodies of water, etc)
AT is for points ( We live at an address, at a certain point and at a certain person’s residence if just the possessive case is used to mean the residence.)
Examples:
1- I live in Belgrade.
2-They live on Mulberry Street
3-I live at 199 Main Street
Conclusion: AT is a tiny point, ON is bigger, and IN is big enough to surround you.
Technically the answer would be a
There are several options for the turning point. When Macbeth listens to and decides to kill Duncan fulfilling the prophecy. However, in Act III, Scene IV, when Macbeth sees the ghostly figures at the dinner. This is the ultimate moment when Macbeth realizes that there is no way out of his nightmare.
Answer:
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