
Passage: Critical thinking in Business, a core subject at the University of Sydney's business school, was taken by 1200 students in the final exam, but more than 400 failed, 80 percent of whom were Chinese students. The University of Sydney explained: "Chinese students lack critical thinking and are not good at English."The student's representative L complained: "The level of English for the students admitted by the school is recognized by the school, and the entrance examination required IELTS to be 7, and we have all reached this level."
Question: Which of the following options is the assumption that student representative L's complaint depends on?
A. A.The school may have unfair discrimination in assessing the scores of Chinese students.
B. B.The school has an unshirkable responsibility for the students' failure, and the cost of retraining should be halved.
C. C.The school's requirements for the english proficiency of students for admission are the same as those for the completion of each subject after admission.
D. D.The cost of retaking each course is A $5000, and the high failure rate is due to the fact that the school wants to earn the cost of the retraining.
Answer: