The following sentence may have an error in effective writing. The sentence or part of the sentence is underlined. Choose the best revision for the underlined part. If no revision is necessary, choose the first answer. When the museum authorities investigated they found several mysterious crates in the basement. Question 3 options: When the museum authorities investigated they found several When the museum authorities investigated; they found several When the museum authorities investigated, they found several When, the museum authorities investigated they found several Save