The correct answer should be additionally.
The word additionally would provide the best transition between these two sentence. It is so because you have one idea in the first sentence, and then you want to show another idea very similar to the first one in the second sentence. Using additionally to convey that is the way to go.
Helps the writer stay on track and focused while drafting
Tourist is predicate nominative complement.
Predicative nominative a word in the nominative case that completes a copulative verb, such as son in the sentence Charlie is my son.
The correct answer between all the choices given is the third choice or letter C. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.