The new software is designed to streamline operations, reduce human error, and making data analysis more efficient. Which of the following options best corrects the underlined portion?

The correct answer to the question "The new software is designed to streamline operations, reduce human error, and making data analysis more efficient. Which of the following options best corrects the underlined portion?" is Option B: to make data analysis more efficient.

The other options — A) making data analysis more efficient, C) makes data analysis more efficient, D) data analysis becoming more efficient — are incorrect for this GMAT Exam Prep question. As explained above: For parallelism with "to streamline" and "reduce," the third verb in the list must also be in the infinitive form, "to make." The phrase "is designed to" governs all three actions.