Quotes, punctuation or descriptive words depending on the situation. (idk if this will help, need more context to fully understand the question)
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.
Nominative case pronouns are pronouns that are generally used as the subject of the sentence because they are the main doer of the action. Nominative case pronouns include I, he, she, it, they and we. So the sentence that correctly uses a nominative case pronoun is option A. Karen and I joined a junior bowling league.