Then she must be a mermaid
The sentence that has a mismatch between subject and modifier is the last one - Shortly after entering the museum, the mummy caught Kim's attention.
The way it is written, the sentence means that the mummy entered the museum, when it actually refers to Kim.
The correct answer is D. charity.
A colon (:) should be placed after the word charity in the sentence above. This is because you are giving the name to her charity, and therefore, a colon should be there in order to separate the sentence from the actual name. So the sentence should be:
(...) who benefit from her charity: Hannah's Gold.
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