Which of the following sentences uses parallel structure correctly while maintaining a professional tone? A. She excels in managing complex projects, communicates effectively with stakeholders, and solves problems efficiently. B. She excels in managing complex projects, communicates effectively with stakeholders, and problem-solve. C. She excels in managing complex projects, to communicate effectively with stakeholders, and problem-solving. D. She excels in managing complex projects, effectively communicates with stakeholders, and problem-solving