Answer:
C. The film's title is not in italics.
Step-by-step explanation:
I can't see if the movie title is written in italics in the original question, but I assume it isn't because the rest of the options don't represent errors.
- A comma after the word heartbreak is not a punctuation error. It's called an oxford comma. This type of comma is the last comma in a list. It goes before the conjunction and or or.
- There is no reason for proper nouns to be bolded. They need to be capitalized, which they are.
- The word nuances is spelled correctly.
- There shouldn't be a colon after the words beats.
Based on this, I can assume that the movie title wasn't written in italics, although it should have been. Italics are always used for large works, names of vehicles, and movie and television show titles.
This is why option C is the correct answer.