The subject-verb agreement: "Writing as" effectively combines the sentences at the underlined portion.
Therefore option (A) is the correct answer.
To learn more about Subject-Verb Agreement, refer:
https://brainly.com/question/1835508
#SPJ4
The underlined sentence is:
Also, studies have found that those students who major in philosophy often do better than students from other majors in both verbal reasoning and analytical writing. These results can be measured by standardized test scores. On the Graduate Record Examination (GRE), for example, students intending to study philosophy in graduate school have scored higher than students in all but four other majors.