Verbal Aptitude

Choose the sentence demonstrating flawless grammatical parallelism:

Options:

• (A) The research scholar was praised for his analytical precision, his thorough methodology, and his clear presentation.
• (B) The research scholar was praised for his analytical precision, having thorough methodology, and presenting clearly.
• (C) The research scholar was praised for analyzing with precision, his thorough methodology, and his clear presentation.
• (D) The research scholar was praised for his analytical precision, thorough methodology, and because he presented clearly.